Home / 3,691.06-5,537.15-1,191.41

Finding the Fourth Proportional to 3,691.06, 5,537.15 and 1,191.41

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Solution

The fourth proportional to 3,691.06, 5,537.15 and 1,191.41 is: 1,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.06 : 5,537.15 = 1,191.41 : x
  2. Step 2: Convert to fraction form
    3,691.06/5,537.15 = 1,191.41/x
  3. Step 3: Cross multiply
    3,691.06x = 5,537.15 × 1,191.41
  4. Step 4: Simplify right side
    3,691.06x = 6,597,015.62
  5. Step 5: Solve for x
    x = 6,597,015.62/3,691.06
  6. Step 6: Final answer
    x = 1,787.30

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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.