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Finding the Fourth Proportional to 3,875.92, 5,349.48 and 2,304.88

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Solution

The fourth proportional to 3,875.92, 5,349.48 and 2,304.88 is: 3,181.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.92 : 5,349.48 = 2,304.88 : x
  2. Step 2: Convert to fraction form
    3,875.92/5,349.48 = 2,304.88/x
  3. Step 3: Cross multiply
    3,875.92x = 5,349.48 × 2,304.88
  4. Step 4: Simplify right side
    3,875.92x = 12,329,909.46
  5. Step 5: Solve for x
    x = 12,329,909.46/3,875.92
  6. Step 6: Final answer
    x = 3,181.16

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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.