Home / 2,962.15-4,087.82-1,635.86

Finding the Fourth Proportional to 2,962.15, 4,087.82 and 1,635.86

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Solution

The fourth proportional to 2,962.15, 4,087.82 and 1,635.86 is: 2,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.15 : 4,087.82 = 1,635.86 : x
  2. Step 2: Convert to fraction form
    2,962.15/4,087.82 = 1,635.86/x
  3. Step 3: Cross multiply
    2,962.15x = 4,087.82 × 1,635.86
  4. Step 4: Simplify right side
    2,962.15x = 6,687,115.53
  5. Step 5: Solve for x
    x = 6,687,115.53/2,962.15
  6. Step 6: Final answer
    x = 2,257.52

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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.