Home / 3,954.50-5,456.66-2,275.27

Finding the Fourth Proportional to 3,954.50, 5,456.66 and 2,275.27

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Solution

The fourth proportional to 3,954.50, 5,456.66 and 2,275.27 is: 3,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.50 : 5,456.66 = 2,275.27 : x
  2. Step 2: Convert to fraction form
    3,954.50/5,456.66 = 2,275.27/x
  3. Step 3: Cross multiply
    3,954.50x = 5,456.66 × 2,275.27
  4. Step 4: Simplify right side
    3,954.50x = 12,415,374.80
  5. Step 5: Solve for x
    x = 12,415,374.80/3,954.50
  6. Step 6: Final answer
    x = 3,139.56

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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.