Home / 5,481.99-8,212.50-3,627.63

Finding the Fourth Proportional to 5,481.99, 8,212.50 and 3,627.63

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Solution

The fourth proportional to 5,481.99, 8,212.50 and 3,627.63 is: 5,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.99 : 8,212.50 = 3,627.63 : x
  2. Step 2: Convert to fraction form
    5,481.99/8,212.50 = 3,627.63/x
  3. Step 3: Cross multiply
    5,481.99x = 8,212.50 × 3,627.63
  4. Step 4: Simplify right side
    5,481.99x = 29,791,911.38
  5. Step 5: Solve for x
    x = 29,791,911.38/5,481.99
  6. Step 6: Final answer
    x = 5,434.51

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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.