Home / 2,974.53-4,451.25-2,192.68

Finding the Fourth Proportional to 2,974.53, 4,451.25 and 2,192.68

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Solution

The fourth proportional to 2,974.53, 4,451.25 and 2,192.68 is: 3,281.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.53 : 4,451.25 = 2,192.68 : x
  2. Step 2: Convert to fraction form
    2,974.53/4,451.25 = 2,192.68/x
  3. Step 3: Cross multiply
    2,974.53x = 4,451.25 × 2,192.68
  4. Step 4: Simplify right side
    2,974.53x = 9,760,166.85
  5. Step 5: Solve for x
    x = 9,760,166.85/2,974.53
  6. Step 6: Final answer
    x = 3,281.25

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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.