Home / 1,472.72-2,034.14-1,073.76

Finding the Fourth Proportional to 1,472.72, 2,034.14 and 1,073.76

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Solution

The fourth proportional to 1,472.72, 2,034.14 and 1,073.76 is: 1,483.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472.72 : 2,034.14 = 1,073.76 : x
  2. Step 2: Convert to fraction form
    1,472.72/2,034.14 = 1,073.76/x
  3. Step 3: Cross multiply
    1,472.72x = 2,034.14 × 1,073.76
  4. Step 4: Simplify right side
    1,472.72x = 2,184,178.17
  5. Step 5: Solve for x
    x = 2,184,178.17/1,472.72
  6. Step 6: Final answer
    x = 1,483.09

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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.