Home / 2,932.38-4,378.40-2,521.98

Finding the Fourth Proportional to 2,932.38, 4,378.40 and 2,521.98

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Solution

The fourth proportional to 2,932.38, 4,378.40 and 2,521.98 is: 3,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932.38 : 4,378.40 = 2,521.98 : x
  2. Step 2: Convert to fraction form
    2,932.38/4,378.40 = 2,521.98/x
  3. Step 3: Cross multiply
    2,932.38x = 4,378.40 × 2,521.98
  4. Step 4: Simplify right side
    2,932.38x = 11,042,224.62
  5. Step 5: Solve for x
    x = 11,042,224.62/2,932.38
  6. Step 6: Final answer
    x = 3,765.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.