Home / 5,617.90-7,752.85-3,100.05

Finding the Fourth Proportional to 5,617.90, 7,752.85 and 3,100.05

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Solution

The fourth proportional to 5,617.90, 7,752.85 and 3,100.05 is: 4,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.90 : 7,752.85 = 3,100.05 : x
  2. Step 2: Convert to fraction form
    5,617.90/7,752.85 = 3,100.05/x
  3. Step 3: Cross multiply
    5,617.90x = 7,752.85 × 3,100.05
  4. Step 4: Simplify right side
    5,617.90x = 24,034,183.88
  5. Step 5: Solve for x
    x = 24,034,183.88/5,617.90
  6. Step 6: Final answer
    x = 4,278.14

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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.