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Finding the Fourth Proportional to 2,765.70, 4,147.94 and 1,593.22

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Solution

The fourth proportional to 2,765.70, 4,147.94 and 1,593.22 is: 2,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.70 : 4,147.94 = 1,593.22 : x
  2. Step 2: Convert to fraction form
    2,765.70/4,147.94 = 1,593.22/x
  3. Step 3: Cross multiply
    2,765.70x = 4,147.94 × 1,593.22
  4. Step 4: Simplify right side
    2,765.70x = 6,608,580.97
  5. Step 5: Solve for x
    x = 6,608,580.97/2,765.70
  6. Step 6: Final answer
    x = 2,389.48

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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.