Home / 3,318.82-4,577.95-2,042.90

Finding the Fourth Proportional to 3,318.82, 4,577.95 and 2,042.90

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Solution

The fourth proportional to 3,318.82, 4,577.95 and 2,042.90 is: 2,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.82 : 4,577.95 = 2,042.90 : x
  2. Step 2: Convert to fraction form
    3,318.82/4,577.95 = 2,042.90/x
  3. Step 3: Cross multiply
    3,318.82x = 4,577.95 × 2,042.90
  4. Step 4: Simplify right side
    3,318.82x = 9,352,305.15
  5. Step 5: Solve for x
    x = 9,352,305.15/3,318.82
  6. Step 6: Final answer
    x = 2,817.96

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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.