Home / 5,253.90-7,876.92-3,173.43

Finding the Fourth Proportional to 5,253.90, 7,876.92 and 3,173.43

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Solution

The fourth proportional to 5,253.90, 7,876.92 and 3,173.43 is: 4,757.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.90 : 7,876.92 = 3,173.43 : x
  2. Step 2: Convert to fraction form
    5,253.90/7,876.92 = 3,173.43/x
  3. Step 3: Cross multiply
    5,253.90x = 7,876.92 × 3,173.43
  4. Step 4: Simplify right side
    5,253.90x = 24,996,854.24
  5. Step 5: Solve for x
    x = 24,996,854.24/5,253.90
  6. Step 6: Final answer
    x = 4,757.77

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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.