Home / 3,271.97-4,909.27-1,192.12

Finding the Fourth Proportional to 3,271.97, 4,909.27 and 1,192.12

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Solution

The fourth proportional to 3,271.97, 4,909.27 and 1,192.12 is: 1,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.97 : 4,909.27 = 1,192.12 : x
  2. Step 2: Convert to fraction form
    3,271.97/4,909.27 = 1,192.12/x
  3. Step 3: Cross multiply
    3,271.97x = 4,909.27 × 1,192.12
  4. Step 4: Simplify right side
    3,271.97x = 5,852,453.55
  5. Step 5: Solve for x
    x = 5,852,453.55/3,271.97
  6. Step 6: Final answer
    x = 1,788.66

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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.