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Finding the Fourth Proportional to 3,722.00, 5,136.43 and 2,043.56

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Solution

The fourth proportional to 3,722.00, 5,136.43 and 2,043.56 is: 2,820.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.00 : 5,136.43 = 2,043.56 : x
  2. Step 2: Convert to fraction form
    3,722.00/5,136.43 = 2,043.56/x
  3. Step 3: Cross multiply
    3,722.00x = 5,136.43 × 2,043.56
  4. Step 4: Simplify right side
    3,722.00x = 10,496,605.83
  5. Step 5: Solve for x
    x = 10,496,605.83/3,722.00
  6. Step 6: Final answer
    x = 2,820.15

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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.