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Finding the Fourth Proportional to 2,768.03, 4,151.42 and 793.62

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Solution

The fourth proportional to 2,768.03, 4,151.42 and 793.62 is: 1,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.03 : 4,151.42 = 793.62 : x
  2. Step 2: Convert to fraction form
    2,768.03/4,151.42 = 793.62/x
  3. Step 3: Cross multiply
    2,768.03x = 4,151.42 × 793.62
  4. Step 4: Simplify right side
    2,768.03x = 3,294,645.97
  5. Step 5: Solve for x
    x = 3,294,645.97/2,768.03
  6. Step 6: Final answer
    x = 1,190.25

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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.