Home / 1,363.27-2,044.59-669.24

Finding the Fourth Proportional to 1,363.27, 2,044.59 and 669.24

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Solution

The fourth proportional to 1,363.27, 2,044.59 and 669.24 is: 1,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.27 : 2,044.59 = 669.24 : x
  2. Step 2: Convert to fraction form
    1,363.27/2,044.59 = 669.24/x
  3. Step 3: Cross multiply
    1,363.27x = 2,044.59 × 669.24
  4. Step 4: Simplify right side
    1,363.27x = 1,368,321.41
  5. Step 5: Solve for x
    x = 1,368,321.41/1,363.27
  6. Step 6: Final answer
    x = 1,003.71

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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.