Home / 2,812.05-4,219.17-1,250.97

Finding the Fourth Proportional to 2,812.05, 4,219.17 and 1,250.97

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Solution

The fourth proportional to 2,812.05, 4,219.17 and 1,250.97 is: 1,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.05 : 4,219.17 = 1,250.97 : x
  2. Step 2: Convert to fraction form
    2,812.05/4,219.17 = 1,250.97/x
  3. Step 3: Cross multiply
    2,812.05x = 4,219.17 × 1,250.97
  4. Step 4: Simplify right side
    2,812.05x = 5,278,055.09
  5. Step 5: Solve for x
    x = 5,278,055.09/2,812.05
  6. Step 6: Final answer
    x = 1,876.94

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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.