Home / 7,641.75-11,464.34-2,711.38

Finding the Fourth Proportional to 7,641.75, 11,464.34 and 2,711.38

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Solution

The fourth proportional to 7,641.75, 11,464.34 and 2,711.38 is: 4,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,641.75 : 11,464.34 = 2,711.38 : x
  2. Step 2: Convert to fraction form
    7,641.75/11,464.34 = 2,711.38/x
  3. Step 3: Cross multiply
    7,641.75x = 11,464.34 × 2,711.38
  4. Step 4: Simplify right side
    7,641.75x = 31,084,174.64
  5. Step 5: Solve for x
    x = 31,084,174.64/7,641.75
  6. Step 6: Final answer
    x = 4,067.68

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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.