Home / 5,500.82-7,591.41-3,509.78

Finding the Fourth Proportional to 5,500.82, 7,591.41 and 3,509.78

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Solution

The fourth proportional to 5,500.82, 7,591.41 and 3,509.78 is: 4,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.82 : 7,591.41 = 3,509.78 : x
  2. Step 2: Convert to fraction form
    5,500.82/7,591.41 = 3,509.78/x
  3. Step 3: Cross multiply
    5,500.82x = 7,591.41 × 3,509.78
  4. Step 4: Simplify right side
    5,500.82x = 26,644,178.99
  5. Step 5: Solve for x
    x = 26,644,178.99/5,500.82
  6. Step 6: Final answer
    x = 4,843.67

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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.