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Interval information
JI glyph Perfect fifth.png
Ratio 3/2
Monzo [-1 1
Size in cents 701.95500
Name(s) just perfect fifth
Color name w5, wa 5th
FJS name P5

[sound info]
Main article: Just perfect fifth

3/2 is the frequency ratio of the just perfect fifth. What tunes it well, is one of variants of 12edo or 17edo (such as 24edo, 34edo and 36edo). Other edos tune it well too (5, 7, 29, 41, 53, 200). But not all edos are like this. 35edo is great for 2, 5, 7, 9, 11 and 17 but fails on 3.

See also