Home / 7,251.08-10,008.10-4,109

Finding the Fourth Proportional to 7,251.08, 10,008.10 and 4,109

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Solution

The fourth proportional to 7,251.08, 10,008.10 and 4,109 is: 5,671.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.08 : 10,008.10 = 4,109 : x
  2. Step 2: Convert to fraction form
    7,251.08/10,008.10 = 4,109/x
  3. Step 3: Cross multiply
    7,251.08x = 10,008.10 × 4,109
  4. Step 4: Simplify right side
    7,251.08x = 41,123,282.90
  5. Step 5: Solve for x
    x = 41,123,282.90/7,251.08
  6. Step 6: Final answer
    x = 5,671.33

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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.