Home / 3,531.38-5,296.05-1,423

Finding the Fourth Proportional to 3,531.38, 5,296.05 and 1,423

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Solution

The fourth proportional to 3,531.38, 5,296.05 and 1,423 is: 2,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.38 : 5,296.05 = 1,423 : x
  2. Step 2: Convert to fraction form
    3,531.38/5,296.05 = 1,423/x
  3. Step 3: Cross multiply
    3,531.38x = 5,296.05 × 1,423
  4. Step 4: Simplify right side
    3,531.38x = 7,536,279.15
  5. Step 5: Solve for x
    x = 7,536,279.15/3,531.38
  6. Step 6: Final answer
    x = 2,134.09

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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.