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Finding the Fourth Proportional to 5,304.74, 7,958.61 and 3,198.74

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Solution

The fourth proportional to 5,304.74, 7,958.61 and 3,198.74 is: 4,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.74 : 7,958.61 = 3,198.74 : x
  2. Step 2: Convert to fraction form
    5,304.74/7,958.61 = 3,198.74/x
  3. Step 3: Cross multiply
    5,304.74x = 7,958.61 × 3,198.74
  4. Step 4: Simplify right side
    5,304.74x = 25,457,484.36
  5. Step 5: Solve for x
    x = 25,457,484.36/5,304.74
  6. Step 6: Final answer
    x = 4,799.01

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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.