Home / 7,067.20-9,752.82-3,923.38

Finding the Fourth Proportional to 7,067.20, 9,752.82 and 3,923.38

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Solution

The fourth proportional to 7,067.20, 9,752.82 and 3,923.38 is: 5,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.20 : 9,752.82 = 3,923.38 : x
  2. Step 2: Convert to fraction form
    7,067.20/9,752.82 = 3,923.38/x
  3. Step 3: Cross multiply
    7,067.20x = 9,752.82 × 3,923.38
  4. Step 4: Simplify right side
    7,067.20x = 38,264,018.93
  5. Step 5: Solve for x
    x = 38,264,018.93/7,067.20
  6. Step 6: Final answer
    x = 5,414.31

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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.