Home / 4,913.97-6,781.16-2,675.88

Finding the Fourth Proportional to 4,913.97, 6,781.16 and 2,675.88

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Solution

The fourth proportional to 4,913.97, 6,781.16 and 2,675.88 is: 3,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.97 : 6,781.16 = 2,675.88 : x
  2. Step 2: Convert to fraction form
    4,913.97/6,781.16 = 2,675.88/x
  3. Step 3: Cross multiply
    4,913.97x = 6,781.16 × 2,675.88
  4. Step 4: Simplify right side
    4,913.97x = 18,145,557.04
  5. Step 5: Solve for x
    x = 18,145,557.04/4,913.97
  6. Step 6: Final answer
    x = 3,692.65

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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.