Home / 4,975.05-7,456.57-2,198.57

Finding the Fourth Proportional to 4,975.05, 7,456.57 and 2,198.57

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Solution

The fourth proportional to 4,975.05, 7,456.57 and 2,198.57 is: 3,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.05 : 7,456.57 = 2,198.57 : x
  2. Step 2: Convert to fraction form
    4,975.05/7,456.57 = 2,198.57/x
  3. Step 3: Cross multiply
    4,975.05x = 7,456.57 × 2,198.57
  4. Step 4: Simplify right side
    4,975.05x = 16,393,780.11
  5. Step 5: Solve for x
    x = 16,393,780.11/4,975.05
  6. Step 6: Final answer
    x = 3,295.20

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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.