Home / 5,456.18-8,183.80-2,168.39

Finding the Fourth Proportional to 5,456.18, 8,183.80 and 2,168.39

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Solution

The fourth proportional to 5,456.18, 8,183.80 and 2,168.39 is: 3,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.18 : 8,183.80 = 2,168.39 : x
  2. Step 2: Convert to fraction form
    5,456.18/8,183.80 = 2,168.39/x
  3. Step 3: Cross multiply
    5,456.18x = 8,183.80 × 2,168.39
  4. Step 4: Simplify right side
    5,456.18x = 17,745,670.08
  5. Step 5: Solve for x
    x = 17,745,670.08/5,456.18
  6. Step 6: Final answer
    x = 3,252.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.