Home / 5,092.72-7,027.90-2,854.69

Finding the Fourth Proportional to 5,092.72, 7,027.90 and 2,854.69

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Solution

The fourth proportional to 5,092.72, 7,027.90 and 2,854.69 is: 3,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.72 : 7,027.90 = 2,854.69 : x
  2. Step 2: Convert to fraction form
    5,092.72/7,027.90 = 2,854.69/x
  3. Step 3: Cross multiply
    5,092.72x = 7,027.90 × 2,854.69
  4. Step 4: Simplify right side
    5,092.72x = 20,062,475.85
  5. Step 5: Solve for x
    x = 20,062,475.85/5,092.72
  6. Step 6: Final answer
    x = 3,939.44

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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.