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Finding the Fourth Proportional to 3,761.57, 5,651.01 and 2,653.54

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Solution

The fourth proportional to 3,761.57, 5,651.01 and 2,653.54 is: 3,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.57 : 5,651.01 = 2,653.54 : x
  2. Step 2: Convert to fraction form
    3,761.57/5,651.01 = 2,653.54/x
  3. Step 3: Cross multiply
    3,761.57x = 5,651.01 × 2,653.54
  4. Step 4: Simplify right side
    3,761.57x = 14,995,173.03
  5. Step 5: Solve for x
    x = 14,995,173.03/3,761.57
  6. Step 6: Final answer
    x = 3,986.41

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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.