Home / 4,932.11-7,400.21-2,961.52

Finding the Fourth Proportional to 4,932.11, 7,400.21 and 2,961.52

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Solution

The fourth proportional to 4,932.11, 7,400.21 and 2,961.52 is: 4,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.11 : 7,400.21 = 2,961.52 : x
  2. Step 2: Convert to fraction form
    4,932.11/7,400.21 = 2,961.52/x
  3. Step 3: Cross multiply
    4,932.11x = 7,400.21 × 2,961.52
  4. Step 4: Simplify right side
    4,932.11x = 21,915,836.61
  5. Step 5: Solve for x
    x = 21,915,836.61/4,932.11
  6. Step 6: Final answer
    x = 4,443.50

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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.