537.5 is what percent of 3915 - step by step solution

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 3915 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 3915, so we can write it down as 100%=3915.
4. We know, that x% equals 537.5 of the output value, so we can write it down as x%=537.5.
5. Now we have two simple equations:
1) 100%=3915
2) x%=537.5
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=3915/537.5
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 537.5 is what percent of 3915

100%/x%=3915/537.5
(100/x)*x=(3915/537.5)*x       - we multiply both sides of the equation by x
100=7.2837209302326*x       - we divide both sides of the equation by (7.2837209302326) to get x
100/7.2837209302326=x
13.729246487867=x
x=13.729246487867

now we have:
537.5 is 13.729246487867% of 3915