Home / 3,311.61-4,569.20-2,425.88

Finding the Fourth Proportional to 3,311.61, 4,569.20 and 2,425.88

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Solution

The fourth proportional to 3,311.61, 4,569.20 and 2,425.88 is: 3,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.61 : 4,569.20 = 2,425.88 : x
  2. Step 2: Convert to fraction form
    3,311.61/4,569.20 = 2,425.88/x
  3. Step 3: Cross multiply
    3,311.61x = 4,569.20 × 2,425.88
  4. Step 4: Simplify right side
    3,311.61x = 11,084,295.92
  5. Step 5: Solve for x
    x = 11,084,295.92/3,311.61
  6. Step 6: Final answer
    x = 3,347.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.