Home / 5,125.14-7,700.01-3,279.87

Finding the Fourth Proportional to 5,125.14, 7,700.01 and 3,279.87

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Solution

The fourth proportional to 5,125.14, 7,700.01 and 3,279.87 is: 4,927.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.14 : 7,700.01 = 3,279.87 : x
  2. Step 2: Convert to fraction form
    5,125.14/7,700.01 = 3,279.87/x
  3. Step 3: Cross multiply
    5,125.14x = 7,700.01 × 3,279.87
  4. Step 4: Simplify right side
    5,125.14x = 25,255,031.80
  5. Step 5: Solve for x
    x = 25,255,031.80/5,125.14
  6. Step 6: Final answer
    x = 4,927.68

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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.