Home / 4,019.46-5,545.89-2,250.78

Finding the Fourth Proportional to 4,019.46, 5,545.89 and 2,250.78

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Solution

The fourth proportional to 4,019.46, 5,545.89 and 2,250.78 is: 3,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.46 : 5,545.89 = 2,250.78 : x
  2. Step 2: Convert to fraction form
    4,019.46/5,545.89 = 2,250.78/x
  3. Step 3: Cross multiply
    4,019.46x = 5,545.89 × 2,250.78
  4. Step 4: Simplify right side
    4,019.46x = 12,482,578.29
  5. Step 5: Solve for x
    x = 12,482,578.29/4,019.46
  6. Step 6: Final answer
    x = 3,105.54

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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.