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Finding the Fourth Proportional to 5,708.22, 7,876.71 and 3,224.22

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Solution

The fourth proportional to 5,708.22, 7,876.71 and 3,224.22 is: 4,449.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.22 : 7,876.71 = 3,224.22 : x
  2. Step 2: Convert to fraction form
    5,708.22/7,876.71 = 3,224.22/x
  3. Step 3: Cross multiply
    5,708.22x = 7,876.71 × 3,224.22
  4. Step 4: Simplify right side
    5,708.22x = 25,396,245.92
  5. Step 5: Solve for x
    x = 25,396,245.92/5,708.22
  6. Step 6: Final answer
    x = 4,449.07

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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.