Question

if the 1st, 2nd, and 3rd numbers in proportion are 2,4,and 5 respectively find the fourth number.

Answer 1

fourth no. is 5
2,4,5,5.
firstly add two then add 1 then add 0
2+2=4
4+1=5
5+0=5
4th no. is 5

Answer 2

Answer:

10

Step-by-step explanation:

2 : 4 : : 5 : ?

1 : 2 : : 5 : ?

1/2 = 5/?

x= 5 × 2

= 10