Home / 5,465.82-8,200.14-2,540.70

Finding the Fourth Proportional to 5,465.82, 8,200.14 and 2,540.70

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Solution

The fourth proportional to 5,465.82, 8,200.14 and 2,540.70 is: 3,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.82 : 8,200.14 = 2,540.70 : x
  2. Step 2: Convert to fraction form
    5,465.82/8,200.14 = 2,540.70/x
  3. Step 3: Cross multiply
    5,465.82x = 8,200.14 × 2,540.70
  4. Step 4: Simplify right side
    5,465.82x = 20,834,095.70
  5. Step 5: Solve for x
    x = 20,834,095.70/5,465.82
  6. Step 6: Final answer
    x = 3,811.71

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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.