Home / 7,975.67-11,958.98-2,427.44

Finding the Fourth Proportional to 7,975.67, 11,958.98 and 2,427.44

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Solution

The fourth proportional to 7,975.67, 11,958.98 and 2,427.44 is: 3,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.67 : 11,958.98 = 2,427.44 : x
  2. Step 2: Convert to fraction form
    7,975.67/11,958.98 = 2,427.44/x
  3. Step 3: Cross multiply
    7,975.67x = 11,958.98 × 2,427.44
  4. Step 4: Simplify right side
    7,975.67x = 29,029,634.48
  5. Step 5: Solve for x
    x = 29,029,634.48/7,975.67
  6. Step 6: Final answer
    x = 3,639.78

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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.