Home / 2,879.46-4,319.17-2,488.26

Finding the Fourth Proportional to 2,879.46, 4,319.17 and 2,488.26

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Solution

The fourth proportional to 2,879.46, 4,319.17 and 2,488.26 is: 3,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.46 : 4,319.17 = 2,488.26 : x
  2. Step 2: Convert to fraction form
    2,879.46/4,319.17 = 2,488.26/x
  3. Step 3: Cross multiply
    2,879.46x = 4,319.17 × 2,488.26
  4. Step 4: Simplify right side
    2,879.46x = 10,747,227.92
  5. Step 5: Solve for x
    x = 10,747,227.92/2,879.46
  6. Step 6: Final answer
    x = 3,732.38

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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.