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Finding the Fourth Proportional to 4,009.92, 6,013.13 and 2,135.42

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Solution

The fourth proportional to 4,009.92, 6,013.13 and 2,135.42 is: 3,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.92 : 6,013.13 = 2,135.42 : x
  2. Step 2: Convert to fraction form
    4,009.92/6,013.13 = 2,135.42/x
  3. Step 3: Cross multiply
    4,009.92x = 6,013.13 × 2,135.42
  4. Step 4: Simplify right side
    4,009.92x = 12,840,517.32
  5. Step 5: Solve for x
    x = 12,840,517.32/4,009.92
  6. Step 6: Final answer
    x = 3,202.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.