Home / 5,355.90-8,031.45-2,432.70

Finding the Fourth Proportional to 5,355.90, 8,031.45 and 2,432.70

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Solution

The fourth proportional to 5,355.90, 8,031.45 and 2,432.70 is: 3,647.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.90 : 8,031.45 = 2,432.70 : x
  2. Step 2: Convert to fraction form
    5,355.90/8,031.45 = 2,432.70/x
  3. Step 3: Cross multiply
    5,355.90x = 8,031.45 × 2,432.70
  4. Step 4: Simplify right side
    5,355.90x = 19,538,108.42
  5. Step 5: Solve for x
    x = 19,538,108.42/5,355.90
  6. Step 6: Final answer
    x = 3,647.96

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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.