Home / 5,540.49-7,643.61-3,385.92

Finding the Fourth Proportional to 5,540.49, 7,643.61 and 3,385.92

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Solution

The fourth proportional to 5,540.49, 7,643.61 and 3,385.92 is: 4,671.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.49 : 7,643.61 = 3,385.92 : x
  2. Step 2: Convert to fraction form
    5,540.49/7,643.61 = 3,385.92/x
  3. Step 3: Cross multiply
    5,540.49x = 7,643.61 × 3,385.92
  4. Step 4: Simplify right side
    5,540.49x = 25,880,651.97
  5. Step 5: Solve for x
    x = 25,880,651.97/5,540.49
  6. Step 6: Final answer
    x = 4,671.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.