Home / 5,002.20-7,503.30-4,929.30

Finding the Fourth Proportional to 5,002.20, 7,503.30 and 4,929.30

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Solution

The fourth proportional to 5,002.20, 7,503.30 and 4,929.30 is: 7,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,002.20 : 7,503.30 = 4,929.30 : x
  2. Step 2: Convert to fraction form
    5,002.20/7,503.30 = 4,929.30/x
  3. Step 3: Cross multiply
    5,002.20x = 7,503.30 × 4,929.30
  4. Step 4: Simplify right side
    5,002.20x = 36,986,016.69
  5. Step 5: Solve for x
    x = 36,986,016.69/5,002.20
  6. Step 6: Final answer
    x = 7,393.95

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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.