Home / 3,612.46-4,985.13-2,040.52

Finding the Fourth Proportional to 3,612.46, 4,985.13 and 2,040.52

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Solution

The fourth proportional to 3,612.46, 4,985.13 and 2,040.52 is: 2,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.46 : 4,985.13 = 2,040.52 : x
  2. Step 2: Convert to fraction form
    3,612.46/4,985.13 = 2,040.52/x
  3. Step 3: Cross multiply
    3,612.46x = 4,985.13 × 2,040.52
  4. Step 4: Simplify right side
    3,612.46x = 10,172,257.47
  5. Step 5: Solve for x
    x = 10,172,257.47/3,612.46
  6. Step 6: Final answer
    x = 2,815.88

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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.