Home / 3,634.34-5,438.19-2,974.60

Finding the Fourth Proportional to 3,634.34, 5,438.19 and 2,974.60

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Solution

The fourth proportional to 3,634.34, 5,438.19 and 2,974.60 is: 4,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.34 : 5,438.19 = 2,974.60 : x
  2. Step 2: Convert to fraction form
    3,634.34/5,438.19 = 2,974.60/x
  3. Step 3: Cross multiply
    3,634.34x = 5,438.19 × 2,974.60
  4. Step 4: Simplify right side
    3,634.34x = 16,176,425.90
  5. Step 5: Solve for x
    x = 16,176,425.90/3,634.34
  6. Step 6: Final answer
    x = 4,450.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.