Home / 3,531.91-4,874.02-2,039.96

Finding the Fourth Proportional to 3,531.91, 4,874.02 and 2,039.96

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Solution

The fourth proportional to 3,531.91, 4,874.02 and 2,039.96 is: 2,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.91 : 4,874.02 = 2,039.96 : x
  2. Step 2: Convert to fraction form
    3,531.91/4,874.02 = 2,039.96/x
  3. Step 3: Cross multiply
    3,531.91x = 4,874.02 × 2,039.96
  4. Step 4: Simplify right side
    3,531.91x = 9,942,805.84
  5. Step 5: Solve for x
    x = 9,942,805.84/3,531.91
  6. Step 6: Final answer
    x = 2,815.14

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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.