Related Clues:

• 4:1, e.g.
• Statistical bit
• Relationship
• Tangent, e.g.
• 5 to 1, say
• Tangent or secant
• I.Q., e.g.
• Percentage
• 2:1, e.g.
• Connecting gears have it
• Golden ___
• Numerical comparison
• 3:1, e.g.
• 10:1, e.g.
• It may be denoted by a colon