Home / 2,752.74-4,121.30-2,493.20

Finding the Fourth Proportional to 2,752.74, 4,121.30 and 2,493.20

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Solution

The fourth proportional to 2,752.74, 4,121.30 and 2,493.20 is: 3,732.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.74 : 4,121.30 = 2,493.20 : x
  2. Step 2: Convert to fraction form
    2,752.74/4,121.30 = 2,493.20/x
  3. Step 3: Cross multiply
    2,752.74x = 4,121.30 × 2,493.20
  4. Step 4: Simplify right side
    2,752.74x = 10,275,225.16
  5. Step 5: Solve for x
    x = 10,275,225.16/2,752.74
  6. Step 6: Final answer
    x = 3,732.73

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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.