Home / 1,976.04-2,725.92-1,472.43

Finding the Fourth Proportional to 1,976.04, 2,725.92 and 1,472.43

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Solution

The fourth proportional to 1,976.04, 2,725.92 and 1,472.43 is: 2,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.04 : 2,725.92 = 1,472.43 : x
  2. Step 2: Convert to fraction form
    1,976.04/2,725.92 = 1,472.43/x
  3. Step 3: Cross multiply
    1,976.04x = 2,725.92 × 1,472.43
  4. Step 4: Simplify right side
    1,976.04x = 4,013,726.39
  5. Step 5: Solve for x
    x = 4,013,726.39/1,976.04
  6. Step 6: Final answer
    x = 2,031.20

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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.