Question

Determine whether 5 , 10 , 20 , 40 are in proportion .​

Answer 1

Answer:

Yes they are in proportion

Step-by-step explanation:

5:10::20:40

5/10=20/40

1/2=10/20

1/2=1/2

Hence, [PROVED]

Answer 2

Answer:

yes

Step-by-step explanation:

Numbers = 5, 10, 20, 40

Mean = 10, 20

Extreme = 5, 40

→ 10 * 20 = 5 * 40

      200 = 200

Therefore, the numbers are in proportion

Regards!