Home / 2,039.07-2,813.11-1,251.75

Finding the Fourth Proportional to 2,039.07, 2,813.11 and 1,251.75

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Solution

The fourth proportional to 2,039.07, 2,813.11 and 1,251.75 is: 1,726.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.07 : 2,813.11 = 1,251.75 : x
  2. Step 2: Convert to fraction form
    2,039.07/2,813.11 = 1,251.75/x
  3. Step 3: Cross multiply
    2,039.07x = 2,813.11 × 1,251.75
  4. Step 4: Simplify right side
    2,039.07x = 3,521,310.44
  5. Step 5: Solve for x
    x = 3,521,310.44/2,039.07
  6. Step 6: Final answer
    x = 1,726.92

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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.