Home / 2,758.24-4,136.96-1,197.92

Finding the Fourth Proportional to 2,758.24, 4,136.96 and 1,197.92

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Solution

The fourth proportional to 2,758.24, 4,136.96 and 1,197.92 is: 1,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.24 : 4,136.96 = 1,197.92 : x
  2. Step 2: Convert to fraction form
    2,758.24/4,136.96 = 1,197.92/x
  3. Step 3: Cross multiply
    2,758.24x = 4,136.96 × 1,197.92
  4. Step 4: Simplify right side
    2,758.24x = 4,955,747.12
  5. Step 5: Solve for x
    x = 4,955,747.12/2,758.24
  6. Step 6: Final answer
    x = 1,796.71

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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.