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Finding the Fourth Proportional to 4,253.70, 5,866.92 and 2,761.68

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Solution

The fourth proportional to 4,253.70, 5,866.92 and 2,761.68 is: 3,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.70 : 5,866.92 = 2,761.68 : x
  2. Step 2: Convert to fraction form
    4,253.70/5,866.92 = 2,761.68/x
  3. Step 3: Cross multiply
    4,253.70x = 5,866.92 × 2,761.68
  4. Step 4: Simplify right side
    4,253.70x = 16,202,555.63
  5. Step 5: Solve for x
    x = 16,202,555.63/4,253.70
  6. Step 6: Final answer
    x = 3,809.05

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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.