Home / 3,177.80-4,769.66-3,166.12

Finding the Fourth Proportional to 3,177.80, 4,769.66 and 3,166.12

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Solution

The fourth proportional to 3,177.80, 4,769.66 and 3,166.12 is: 4,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.80 : 4,769.66 = 3,166.12 : x
  2. Step 2: Convert to fraction form
    3,177.80/4,769.66 = 3,166.12/x
  3. Step 3: Cross multiply
    3,177.80x = 4,769.66 × 3,166.12
  4. Step 4: Simplify right side
    3,177.80x = 15,101,315.92
  5. Step 5: Solve for x
    x = 15,101,315.92/3,177.80
  6. Step 6: Final answer
    x = 4,752.13

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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.