Home / 3,326.20-4,983.06-2,781.88

Finding the Fourth Proportional to 3,326.20, 4,983.06 and 2,781.88

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Solution

The fourth proportional to 3,326.20, 4,983.06 and 2,781.88 is: 4,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.20 : 4,983.06 = 2,781.88 : x
  2. Step 2: Convert to fraction form
    3,326.20/4,983.06 = 2,781.88/x
  3. Step 3: Cross multiply
    3,326.20x = 4,983.06 × 2,781.88
  4. Step 4: Simplify right side
    3,326.20x = 13,862,274.95
  5. Step 5: Solve for x
    x = 13,862,274.95/3,326.20
  6. Step 6: Final answer
    x = 4,167.60

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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.