Question

given 3:x =5:8 find the value of x

Answer 1

3:x= 5:8
it means 3/x= 5/8
by cross multiplication
24=5x
24/5=x
4.8=x

Answer 2

Given 3:x= 5:8
=> 3/x=5/8
=>x=(3*8)/5
=>x=24/5
=>x=4.8 (Ans.)