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Finding the Fourth Proportional to 3,995.43, 5,512.07 and 2,651.67

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Solution

The fourth proportional to 3,995.43, 5,512.07 and 2,651.67 is: 3,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.43 : 5,512.07 = 2,651.67 : x
  2. Step 2: Convert to fraction form
    3,995.43/5,512.07 = 2,651.67/x
  3. Step 3: Cross multiply
    3,995.43x = 5,512.07 × 2,651.67
  4. Step 4: Simplify right side
    3,995.43x = 14,616,177.40
  5. Step 5: Solve for x
    x = 14,616,177.40/3,995.43
  6. Step 6: Final answer
    x = 3,658.22

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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.