Question

find the value of the unknown in the following proportional x :3 : : 4 : 5​

Answer 1

Answer:

can see the difference in 4 and 5 is one

Step-by-step explanation:

therefore X equals to 2

Answer 2

Answer:

2.5

Step-by-step explanation:

x:3: :4:5

5x = 4×3 (product of means= product of extremes)

x= 12/5

x= 2.5