Home / 3,367.20-5,048.16-1,721.92

Finding the Fourth Proportional to 3,367.20, 5,048.16 and 1,721.92

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Solution

The fourth proportional to 3,367.20, 5,048.16 and 1,721.92 is: 2,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.20 : 5,048.16 = 1,721.92 : x
  2. Step 2: Convert to fraction form
    3,367.20/5,048.16 = 1,721.92/x
  3. Step 3: Cross multiply
    3,367.20x = 5,048.16 × 1,721.92
  4. Step 4: Simplify right side
    3,367.20x = 8,692,527.67
  5. Step 5: Solve for x
    x = 8,692,527.67/3,367.20
  6. Step 6: Final answer
    x = 2,581.53

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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.