Home / 6,198.36-8,553.33-3,680.34

Finding the Fourth Proportional to 6,198.36, 8,553.33 and 3,680.34

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Solution

The fourth proportional to 6,198.36, 8,553.33 and 3,680.34 is: 5,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.36 : 8,553.33 = 3,680.34 : x
  2. Step 2: Convert to fraction form
    6,198.36/8,553.33 = 3,680.34/x
  3. Step 3: Cross multiply
    6,198.36x = 8,553.33 × 3,680.34
  4. Step 4: Simplify right side
    6,198.36x = 31,479,162.53
  5. Step 5: Solve for x
    x = 31,479,162.53/6,198.36
  6. Step 6: Final answer
    x = 5,078.63

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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.