Home / 3,170.60-4,758.78-2,246.48

Finding the Fourth Proportional to 3,170.60, 4,758.78 and 2,246.48

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Solution

The fourth proportional to 3,170.60, 4,758.78 and 2,246.48 is: 3,371.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.60 : 4,758.78 = 2,246.48 : x
  2. Step 2: Convert to fraction form
    3,170.60/4,758.78 = 2,246.48/x
  3. Step 3: Cross multiply
    3,170.60x = 4,758.78 × 2,246.48
  4. Step 4: Simplify right side
    3,170.60x = 10,690,504.09
  5. Step 5: Solve for x
    x = 10,690,504.09/3,170.60
  6. Step 6: Final answer
    x = 3,371.76

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1.5x scale

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.