Home / 3,408.03-4,701.85-2,229.78

Finding the Fourth Proportional to 3,408.03, 4,701.85 and 2,229.78

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Solution

The fourth proportional to 3,408.03, 4,701.85 and 2,229.78 is: 3,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.03 : 4,701.85 = 2,229.78 : x
  2. Step 2: Convert to fraction form
    3,408.03/4,701.85 = 2,229.78/x
  3. Step 3: Cross multiply
    3,408.03x = 4,701.85 × 2,229.78
  4. Step 4: Simplify right side
    3,408.03x = 10,484,091.09
  5. Step 5: Solve for x
    x = 10,484,091.09/3,408.03
  6. Step 6: Final answer
    x = 3,076.29

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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.