Home / 2,962.17-4,087.97-1,635.90

Finding the Fourth Proportional to 2,962.17, 4,087.97 and 1,635.90

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Solution

The fourth proportional to 2,962.17, 4,087.97 and 1,635.90 is: 2,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.17 : 4,087.97 = 1,635.90 : x
  2. Step 2: Convert to fraction form
    2,962.17/4,087.97 = 1,635.90/x
  3. Step 3: Cross multiply
    2,962.17x = 4,087.97 × 1,635.90
  4. Step 4: Simplify right side
    2,962.17x = 6,687,492.75
  5. Step 5: Solve for x
    x = 6,687,492.75/2,962.17
  6. Step 6: Final answer
    x = 2,257.63

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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.