Home / 1,869.96-2,781.17-1,833.12

Finding the Fourth Proportional to 1,869.96, 2,781.17 and 1,833.12

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Solution

The fourth proportional to 1,869.96, 2,781.17 and 1,833.12 is: 2,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869.96 : 2,781.17 = 1,833.12 : x
  2. Step 2: Convert to fraction form
    1,869.96/2,781.17 = 1,833.12/x
  3. Step 3: Cross multiply
    1,869.96x = 2,781.17 × 1,833.12
  4. Step 4: Simplify right side
    1,869.96x = 5,098,218.35
  5. Step 5: Solve for x
    x = 5,098,218.35/1,869.96
  6. Step 6: Final answer
    x = 2,726.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.