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Finding the Fourth Proportional to 3,807.92, 5,253.02 and 2,549.03

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Solution

The fourth proportional to 3,807.92, 5,253.02 and 2,549.03 is: 3,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,807.92 : 5,253.02 = 2,549.03 : x
  2. Step 2: Convert to fraction form
    3,807.92/5,253.02 = 2,549.03/x
  3. Step 3: Cross multiply
    3,807.92x = 5,253.02 × 2,549.03
  4. Step 4: Simplify right side
    3,807.92x = 13,390,105.57
  5. Step 5: Solve for x
    x = 13,390,105.57/3,807.92
  6. Step 6: Final answer
    x = 3,516.38

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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.