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Finding the Fourth Proportional to 5,435.44, 7,500.90 and 2,951.44

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Solution

The fourth proportional to 5,435.44, 7,500.90 and 2,951.44 is: 4,072.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.44 : 7,500.90 = 2,951.44 : x
  2. Step 2: Convert to fraction form
    5,435.44/7,500.90 = 2,951.44/x
  3. Step 3: Cross multiply
    5,435.44x = 7,500.90 × 2,951.44
  4. Step 4: Simplify right side
    5,435.44x = 22,138,448.61
  5. Step 5: Solve for x
    x = 22,138,448.61/5,435.44
  6. Step 6: Final answer
    x = 4,072.98

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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.