Home / 3,531.92-5,298.01-1,191.74

Finding the Fourth Proportional to 3,531.92, 5,298.01 and 1,191.74

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Solution

The fourth proportional to 3,531.92, 5,298.01 and 1,191.74 is: 1,787.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.92 : 5,298.01 = 1,191.74 : x
  2. Step 2: Convert to fraction form
    3,531.92/5,298.01 = 1,191.74/x
  3. Step 3: Cross multiply
    3,531.92x = 5,298.01 × 1,191.74
  4. Step 4: Simplify right side
    3,531.92x = 6,313,869.40
  5. Step 5: Solve for x
    x = 6,313,869.40/3,531.92
  6. Step 6: Final answer
    x = 1,787.66

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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.