Home / 3,168.11-4,744.91-1,932.80

Finding the Fourth Proportional to 3,168.11, 4,744.91 and 1,932.80

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Solution

The fourth proportional to 3,168.11, 4,744.91 and 1,932.80 is: 2,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.11 : 4,744.91 = 1,932.80 : x
  2. Step 2: Convert to fraction form
    3,168.11/4,744.91 = 1,932.80/x
  3. Step 3: Cross multiply
    3,168.11x = 4,744.91 × 1,932.80
  4. Step 4: Simplify right side
    3,168.11x = 9,170,943.16
  5. Step 5: Solve for x
    x = 9,170,943.16/3,168.11
  6. Step 6: Final answer
    x = 2,894.77

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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.