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Finding the Fourth Proportional to 3,830.86, 5,740.89 and 1,745.74

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Solution

The fourth proportional to 3,830.86, 5,740.89 and 1,745.74 is: 2,616.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.86 : 5,740.89 = 1,745.74 : x
  2. Step 2: Convert to fraction form
    3,830.86/5,740.89 = 1,745.74/x
  3. Step 3: Cross multiply
    3,830.86x = 5,740.89 × 1,745.74
  4. Step 4: Simplify right side
    3,830.86x = 10,022,101.31
  5. Step 5: Solve for x
    x = 10,022,101.31/3,830.86
  6. Step 6: Final answer
    x = 2,616.15

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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.