Home / 3,170.68-4,758.12-2,391.24

Finding the Fourth Proportional to 3,170.68, 4,758.12 and 2,391.24

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Solution

The fourth proportional to 3,170.68, 4,758.12 and 2,391.24 is: 3,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.68 : 4,758.12 = 2,391.24 : x
  2. Step 2: Convert to fraction form
    3,170.68/4,758.12 = 2,391.24/x
  3. Step 3: Cross multiply
    3,170.68x = 4,758.12 × 2,391.24
  4. Step 4: Simplify right side
    3,170.68x = 11,377,806.87
  5. Step 5: Solve for x
    x = 11,377,806.87/3,170.68
  6. Step 6: Final answer
    x = 3,588.44

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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.