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Finding the Fourth Proportional to 3,951.63, 5,926.98 and 2,650.35

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Solution

The fourth proportional to 3,951.63, 5,926.98 and 2,650.35 is: 3,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.63 : 5,926.98 = 2,650.35 : x
  2. Step 2: Convert to fraction form
    3,951.63/5,926.98 = 2,650.35/x
  3. Step 3: Cross multiply
    3,951.63x = 5,926.98 × 2,650.35
  4. Step 4: Simplify right side
    3,951.63x = 15,708,571.44
  5. Step 5: Solve for x
    x = 15,708,571.44/3,951.63
  6. Step 6: Final answer
    x = 3,975.21

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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.