Home / 3,318.15-4,578.68-1,902.22

Finding the Fourth Proportional to 3,318.15, 4,578.68 and 1,902.22

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Solution

The fourth proportional to 3,318.15, 4,578.68 and 1,902.22 is: 2,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.15 : 4,578.68 = 1,902.22 : x
  2. Step 2: Convert to fraction form
    3,318.15/4,578.68 = 1,902.22/x
  3. Step 3: Cross multiply
    3,318.15x = 4,578.68 × 1,902.22
  4. Step 4: Simplify right side
    3,318.15x = 8,709,658.56
  5. Step 5: Solve for x
    x = 8,709,658.56/3,318.15
  6. Step 6: Final answer
    x = 2,624.85

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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.