Home / 3,213.30-4,429.17-2,622.90

Finding the Fourth Proportional to 3,213.30, 4,429.17 and 2,622.90

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Solution

The fourth proportional to 3,213.30, 4,429.17 and 2,622.90 is: 3,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.30 : 4,429.17 = 2,622.90 : x
  2. Step 2: Convert to fraction form
    3,213.30/4,429.17 = 2,622.90/x
  3. Step 3: Cross multiply
    3,213.30x = 4,429.17 × 2,622.90
  4. Step 4: Simplify right side
    3,213.30x = 11,617,269.99
  5. Step 5: Solve for x
    x = 11,617,269.99/3,213.30
  6. Step 6: Final answer
    x = 3,615.37

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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.