Home / 6,425.24-8,867-3,630.76

Finding the Fourth Proportional to 6,425.24, 8,867 and 3,630.76

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Solution

The fourth proportional to 6,425.24, 8,867 and 3,630.76 is: 5,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,425.24 : 8,867 = 3,630.76 : x
  2. Step 2: Convert to fraction form
    6,425.24/8,867 = 3,630.76/x
  3. Step 3: Cross multiply
    6,425.24x = 8,867 × 3,630.76
  4. Step 4: Simplify right side
    6,425.24x = 32,193,948.92
  5. Step 5: Solve for x
    x = 32,193,948.92/6,425.24
  6. Step 6: Final answer
    x = 5,010.54

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Half scale
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Double scale
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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.