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Finding the Fourth Proportional to 7,249.87, 10,870.44 and 3,958.39

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Solution

The fourth proportional to 7,249.87, 10,870.44 and 3,958.39 is: 5,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.87 : 10,870.44 = 3,958.39 : x
  2. Step 2: Convert to fraction form
    7,249.87/10,870.44 = 3,958.39/x
  3. Step 3: Cross multiply
    7,249.87x = 10,870.44 × 3,958.39
  4. Step 4: Simplify right side
    7,249.87x = 43,029,440.99
  5. Step 5: Solve for x
    x = 43,029,440.99/7,249.87
  6. Step 6: Final answer
    x = 5,935.20

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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.