Home / 3,163.92-4,366.14-1,766.70

Finding the Fourth Proportional to 3,163.92, 4,366.14 and 1,766.70

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Solution

The fourth proportional to 3,163.92, 4,366.14 and 1,766.70 is: 2,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.92 : 4,366.14 = 1,766.70 : x
  2. Step 2: Convert to fraction form
    3,163.92/4,366.14 = 1,766.70/x
  3. Step 3: Cross multiply
    3,163.92x = 4,366.14 × 1,766.70
  4. Step 4: Simplify right side
    3,163.92x = 7,713,659.54
  5. Step 5: Solve for x
    x = 7,713,659.54/3,163.92
  6. Step 6: Final answer
    x = 2,438.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.