Home / 3,691.38-5,537.63-1,191.73

Finding the Fourth Proportional to 3,691.38, 5,537.63 and 1,191.73

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Solution

The fourth proportional to 3,691.38, 5,537.63 and 1,191.73 is: 1,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.38 : 5,537.63 = 1,191.73 : x
  2. Step 2: Convert to fraction form
    3,691.38/5,537.63 = 1,191.73/x
  3. Step 3: Cross multiply
    3,691.38x = 5,537.63 × 1,191.73
  4. Step 4: Simplify right side
    3,691.38x = 6,599,356.82
  5. Step 5: Solve for x
    x = 6,599,356.82/3,691.38
  6. Step 6: Final answer
    x = 1,787.77

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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.