Home / 7,174.68-10,760.16-2,789.73

Finding the Fourth Proportional to 7,174.68, 10,760.16 and 2,789.73

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Solution

The fourth proportional to 7,174.68, 10,760.16 and 2,789.73 is: 4,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174.68 : 10,760.16 = 2,789.73 : x
  2. Step 2: Convert to fraction form
    7,174.68/10,760.16 = 2,789.73/x
  3. Step 3: Cross multiply
    7,174.68x = 10,760.16 × 2,789.73
  4. Step 4: Simplify right side
    7,174.68x = 30,017,941.16
  5. Step 5: Solve for x
    x = 30,017,941.16/7,174.68
  6. Step 6: Final answer
    x = 4,183.87

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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.