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Finding the Fourth Proportional to 5,158.98, 7,120.17 and 3,482.82

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Solution

The fourth proportional to 5,158.98, 7,120.17 and 3,482.82 is: 4,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.98 : 7,120.17 = 3,482.82 : x
  2. Step 2: Convert to fraction form
    5,158.98/7,120.17 = 3,482.82/x
  3. Step 3: Cross multiply
    5,158.98x = 7,120.17 × 3,482.82
  4. Step 4: Simplify right side
    5,158.98x = 24,798,270.48
  5. Step 5: Solve for x
    x = 24,798,270.48/5,158.98
  6. Step 6: Final answer
    x = 4,806.82

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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.