Home / 6,255.72-8,630.19-3,601.55

Finding the Fourth Proportional to 6,255.72, 8,630.19 and 3,601.55

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Solution

The fourth proportional to 6,255.72, 8,630.19 and 3,601.55 is: 4,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.72 : 8,630.19 = 3,601.55 : x
  2. Step 2: Convert to fraction form
    6,255.72/8,630.19 = 3,601.55/x
  3. Step 3: Cross multiply
    6,255.72x = 8,630.19 × 3,601.55
  4. Step 4: Simplify right side
    6,255.72x = 31,082,017.64
  5. Step 5: Solve for x
    x = 31,082,017.64/6,255.72
  6. Step 6: Final answer
    x = 4,968.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.