Home / 6,254.38-8,631.31-3,459.88

Finding the Fourth Proportional to 6,254.38, 8,631.31 and 3,459.88

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Solution

The fourth proportional to 6,254.38, 8,631.31 and 3,459.88 is: 4,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.38 : 8,631.31 = 3,459.88 : x
  2. Step 2: Convert to fraction form
    6,254.38/8,631.31 = 3,459.88/x
  3. Step 3: Cross multiply
    6,254.38x = 8,631.31 × 3,459.88
  4. Step 4: Simplify right side
    6,254.38x = 29,863,253.69
  5. Step 5: Solve for x
    x = 29,863,253.69/6,254.38
  6. Step 6: Final answer
    x = 4,774.78

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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.