Home / 3,892.97-5,376.09-2,773.95

Finding the Fourth Proportional to 3,892.97, 5,376.09 and 2,773.95

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Solution

The fourth proportional to 3,892.97, 5,376.09 and 2,773.95 is: 3,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.97 : 5,376.09 = 2,773.95 : x
  2. Step 2: Convert to fraction form
    3,892.97/5,376.09 = 2,773.95/x
  3. Step 3: Cross multiply
    3,892.97x = 5,376.09 × 2,773.95
  4. Step 4: Simplify right side
    3,892.97x = 14,913,004.86
  5. Step 5: Solve for x
    x = 14,913,004.86/3,892.97
  6. Step 6: Final answer
    x = 3,830.76

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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.