Home / 2,318.73-3,198.41-1,522.11

Finding the Fourth Proportional to 2,318.73, 3,198.41 and 1,522.11

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Solution

The fourth proportional to 2,318.73, 3,198.41 and 1,522.11 is: 2,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.73 : 3,198.41 = 1,522.11 : x
  2. Step 2: Convert to fraction form
    2,318.73/3,198.41 = 1,522.11/x
  3. Step 3: Cross multiply
    2,318.73x = 3,198.41 × 1,522.11
  4. Step 4: Simplify right side
    2,318.73x = 4,868,324.23
  5. Step 5: Solve for x
    x = 4,868,324.23/2,318.73
  6. Step 6: Final answer
    x = 2,099.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.