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Finding the Fourth Proportional to 4,795.74, 7,191.29 and 2,847.42

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Solution

The fourth proportional to 4,795.74, 7,191.29 and 2,847.42 is: 4,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,795.74 : 7,191.29 = 2,847.42 : x
  2. Step 2: Convert to fraction form
    4,795.74/7,191.29 = 2,847.42/x
  3. Step 3: Cross multiply
    4,795.74x = 7,191.29 × 2,847.42
  4. Step 4: Simplify right side
    4,795.74x = 20,476,622.97
  5. Step 5: Solve for x
    x = 20,476,622.97/4,795.74
  6. Step 6: Final answer
    x = 4,269.75

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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.