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Finding the Fourth Proportional to 2,873.57, 4,310.15 and 793.55

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Solution

The fourth proportional to 2,873.57, 4,310.15 and 793.55 is: 1,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.57 : 4,310.15 = 793.55 : x
  2. Step 2: Convert to fraction form
    2,873.57/4,310.15 = 793.55/x
  3. Step 3: Cross multiply
    2,873.57x = 4,310.15 × 793.55
  4. Step 4: Simplify right side
    2,873.57x = 3,420,326.34
  5. Step 5: Solve for x
    x = 3,420,326.34/2,873.57
  6. Step 6: Final answer
    x = 1,190.27

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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.