Home / 3,876.24-5,348.66-2,281.95

Finding the Fourth Proportional to 3,876.24, 5,348.66 and 2,281.95

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Solution

The fourth proportional to 3,876.24, 5,348.66 and 2,281.95 is: 3,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.24 : 5,348.66 = 2,281.95 : x
  2. Step 2: Convert to fraction form
    3,876.24/5,348.66 = 2,281.95/x
  3. Step 3: Cross multiply
    3,876.24x = 5,348.66 × 2,281.95
  4. Step 4: Simplify right side
    3,876.24x = 12,205,363.28
  5. Step 5: Solve for x
    x = 12,205,363.28/3,876.24
  6. Step 6: Final answer
    x = 3,148.76

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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.