Home / 5,636.14-8,456.10-3,175.78

Finding the Fourth Proportional to 5,636.14, 8,456.10 and 3,175.78

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Solution

The fourth proportional to 5,636.14, 8,456.10 and 3,175.78 is: 4,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.14 : 8,456.10 = 3,175.78 : x
  2. Step 2: Convert to fraction form
    5,636.14/8,456.10 = 3,175.78/x
  3. Step 3: Cross multiply
    5,636.14x = 8,456.10 × 3,175.78
  4. Step 4: Simplify right side
    5,636.14x = 26,854,713.26
  5. Step 5: Solve for x
    x = 26,854,713.26/5,636.14
  6. Step 6: Final answer
    x = 4,764.73

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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.