Home / 2,767.33-4,151.40-1,012.42

Finding the Fourth Proportional to 2,767.33, 4,151.40 and 1,012.42

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Solution

The fourth proportional to 2,767.33, 4,151.40 and 1,012.42 is: 1,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.33 : 4,151.40 = 1,012.42 : x
  2. Step 2: Convert to fraction form
    2,767.33/4,151.40 = 1,012.42/x
  3. Step 3: Cross multiply
    2,767.33x = 4,151.40 × 1,012.42
  4. Step 4: Simplify right side
    2,767.33x = 4,202,960.39
  5. Step 5: Solve for x
    x = 4,202,960.39/2,767.33
  6. Step 6: Final answer
    x = 1,518.78

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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.