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Finding the Fourth Proportional to 2,750.57, 3,786.30 and 2,375.27

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Solution

The fourth proportional to 2,750.57, 3,786.30 and 2,375.27 is: 3,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.57 : 3,786.30 = 2,375.27 : x
  2. Step 2: Convert to fraction form
    2,750.57/3,786.30 = 2,375.27/x
  3. Step 3: Cross multiply
    2,750.57x = 3,786.30 × 2,375.27
  4. Step 4: Simplify right side
    2,750.57x = 8,993,465.87
  5. Step 5: Solve for x
    x = 8,993,465.87/2,750.57
  6. Step 6: Final answer
    x = 3,269.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.