Home / 1,932.12-2,666.25-1,092.87

Finding the Fourth Proportional to 1,932.12, 2,666.25 and 1,092.87

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Solution

The fourth proportional to 1,932.12, 2,666.25 and 1,092.87 is: 1,508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.12 : 2,666.25 = 1,092.87 : x
  2. Step 2: Convert to fraction form
    1,932.12/2,666.25 = 1,092.87/x
  3. Step 3: Cross multiply
    1,932.12x = 2,666.25 × 1,092.87
  4. Step 4: Simplify right side
    1,932.12x = 2,913,864.64
  5. Step 5: Solve for x
    x = 2,913,864.64/1,932.12
  6. Step 6: Final answer
    x = 1,508.12

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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.