Home / 5,855.82-8,081.20-3,203.38

Finding the Fourth Proportional to 5,855.82, 8,081.20 and 3,203.38

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Solution

The fourth proportional to 5,855.82, 8,081.20 and 3,203.38 is: 4,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.82 : 8,081.20 = 3,203.38 : x
  2. Step 2: Convert to fraction form
    5,855.82/8,081.20 = 3,203.38/x
  3. Step 3: Cross multiply
    5,855.82x = 8,081.20 × 3,203.38
  4. Step 4: Simplify right side
    5,855.82x = 25,887,154.46
  5. Step 5: Solve for x
    x = 25,887,154.46/5,855.82
  6. Step 6: Final answer
    x = 4,420.76

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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.