Home / 2,972.27-4,456.38-1,508.60

Finding the Fourth Proportional to 2,972.27, 4,456.38 and 1,508.60

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Solution

The fourth proportional to 2,972.27, 4,456.38 and 1,508.60 is: 2,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.27 : 4,456.38 = 1,508.60 : x
  2. Step 2: Convert to fraction form
    2,972.27/4,456.38 = 1,508.60/x
  3. Step 3: Cross multiply
    2,972.27x = 4,456.38 × 1,508.60
  4. Step 4: Simplify right side
    2,972.27x = 6,722,894.87
  5. Step 5: Solve for x
    x = 6,722,894.87/2,972.27
  6. Step 6: Final answer
    x = 2,261.87

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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.