Find the next number in this sequence:

Question

0.487, 1.267, 2.047, 2.827, 3.607, ____

a
4.387

b
4.487

c
4.267

d
3.487

e
3.287

f
3.367

Answer 1

Add .780.

Answer 2

0.487, 1.267, 2.047, 2.827, 3.607, ____
diff = 0.78 , 0.78 , 0.78 , 0.78
so add 0.78 to the last one
4.387

Answer 3

c

Answer 4

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