Question

If the compound ratio of 7:5 and 8:x is 83:60 then find X​

Answer 1

The compounded ratio of two ratios
`a/ b` and
`c/ d` is defined as
`ac/ bd`.

So, in your case, we have

`(7\cdot 8)/(5x)=(83)/(60)`

Solving for
`x` yields

`x=(56\cdot 60)/(5\cdot 83)=(672)/(83)`