Home / 5,874.17-8,105.79-3,221.62

Finding the Fourth Proportional to 5,874.17, 8,105.79 and 3,221.62

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Solution

The fourth proportional to 5,874.17, 8,105.79 and 3,221.62 is: 4,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.17 : 8,105.79 = 3,221.62 : x
  2. Step 2: Convert to fraction form
    5,874.17/8,105.79 = 3,221.62/x
  3. Step 3: Cross multiply
    5,874.17x = 8,105.79 × 3,221.62
  4. Step 4: Simplify right side
    5,874.17x = 26,113,775.18
  5. Step 5: Solve for x
    x = 26,113,775.18/5,874.17
  6. Step 6: Final answer
    x = 4,445.53

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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.