Home / 2,950.38-4,067.31-2,110.86

Finding the Fourth Proportional to 2,950.38, 4,067.31 and 2,110.86

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Solution

The fourth proportional to 2,950.38, 4,067.31 and 2,110.86 is: 2,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.38 : 4,067.31 = 2,110.86 : x
  2. Step 2: Convert to fraction form
    2,950.38/4,067.31 = 2,110.86/x
  3. Step 3: Cross multiply
    2,950.38x = 4,067.31 × 2,110.86
  4. Step 4: Simplify right side
    2,950.38x = 8,585,521.99
  5. Step 5: Solve for x
    x = 8,585,521.99/2,950.38
  6. Step 6: Final answer
    x = 2,909.97

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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.