Home / 6,691.14-9,233.80-4,171.77

Finding the Fourth Proportional to 6,691.14, 9,233.80 and 4,171.77

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Solution

The fourth proportional to 6,691.14, 9,233.80 and 4,171.77 is: 5,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.14 : 9,233.80 = 4,171.77 : x
  2. Step 2: Convert to fraction form
    6,691.14/9,233.80 = 4,171.77/x
  3. Step 3: Cross multiply
    6,691.14x = 9,233.80 × 4,171.77
  4. Step 4: Simplify right side
    6,691.14x = 38,521,279.40
  5. Step 5: Solve for x
    x = 38,521,279.40/6,691.14
  6. Step 6: Final answer
    x = 5,757.06

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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.