Home / 5,500.87-8,235.79-4,282.54

Finding the Fourth Proportional to 5,500.87, 8,235.79 and 4,282.54

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Solution

The fourth proportional to 5,500.87, 8,235.79 and 4,282.54 is: 6,411.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.87 : 8,235.79 = 4,282.54 : x
  2. Step 2: Convert to fraction form
    5,500.87/8,235.79 = 4,282.54/x
  3. Step 3: Cross multiply
    5,500.87x = 8,235.79 × 4,282.54
  4. Step 4: Simplify right side
    5,500.87x = 35,270,100.11
  5. Step 5: Solve for x
    x = 35,270,100.11/5,500.87
  6. Step 6: Final answer
    x = 6,411.73

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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.