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Finding the Fourth Proportional to 3,983.32, 5,497.00 and 2,214.92

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Solution

The fourth proportional to 3,983.32, 5,497.00 and 2,214.92 is: 3,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.32 : 5,497.00 = 2,214.92 : x
  2. Step 2: Convert to fraction form
    3,983.32/5,497.00 = 2,214.92/x
  3. Step 3: Cross multiply
    3,983.32x = 5,497.00 × 2,214.92
  4. Step 4: Simplify right side
    3,983.32x = 12,175,404.17
  5. Step 5: Solve for x
    x = 12,175,404.17/3,983.32
  6. Step 6: Final answer
    x = 3,056.60

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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.