Home / 3,252.52-4,478.82-3,179.88

Finding the Fourth Proportional to 3,252.52, 4,478.82 and 3,179.88

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Solution

The fourth proportional to 3,252.52, 4,478.82 and 3,179.88 is: 4,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,252.52 : 4,478.82 = 3,179.88 : x
  2. Step 2: Convert to fraction form
    3,252.52/4,478.82 = 3,179.88/x
  3. Step 3: Cross multiply
    3,252.52x = 4,478.82 × 3,179.88
  4. Step 4: Simplify right side
    3,252.52x = 14,242,110.14
  5. Step 5: Solve for x
    x = 14,242,110.14/3,252.52
  6. Step 6: Final answer
    x = 4,378.79

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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.