Home / 3,531.32-4,874.09-2,040.11

Finding the Fourth Proportional to 3,531.32, 4,874.09 and 2,040.11

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Solution

The fourth proportional to 3,531.32, 4,874.09 and 2,040.11 is: 2,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.32 : 4,874.09 = 2,040.11 : x
  2. Step 2: Convert to fraction form
    3,531.32/4,874.09 = 2,040.11/x
  3. Step 3: Cross multiply
    3,531.32x = 4,874.09 × 2,040.11
  4. Step 4: Simplify right side
    3,531.32x = 9,943,663.46
  5. Step 5: Solve for x
    x = 9,943,663.46/3,531.32
  6. Step 6: Final answer
    x = 2,815.85

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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.