Home / 5,740.82-8,616.62-2,821.22

Finding the Fourth Proportional to 5,740.82, 8,616.62 and 2,821.22

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Solution

The fourth proportional to 5,740.82, 8,616.62 and 2,821.22 is: 4,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.82 : 8,616.62 = 2,821.22 : x
  2. Step 2: Convert to fraction form
    5,740.82/8,616.62 = 2,821.22/x
  3. Step 3: Cross multiply
    5,740.82x = 8,616.62 × 2,821.22
  4. Step 4: Simplify right side
    5,740.82x = 24,309,380.68
  5. Step 5: Solve for x
    x = 24,309,380.68/5,740.82
  6. Step 6: Final answer
    x = 4,234.48

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Why These Related Problems?

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