Home / 5,450.57-8,155.25-3,230.60

Finding the Fourth Proportional to 5,450.57, 8,155.25 and 3,230.60

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Solution

The fourth proportional to 5,450.57, 8,155.25 and 3,230.60 is: 4,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.57 : 8,155.25 = 3,230.60 : x
  2. Step 2: Convert to fraction form
    5,450.57/8,155.25 = 3,230.60/x
  3. Step 3: Cross multiply
    5,450.57x = 8,155.25 × 3,230.60
  4. Step 4: Simplify right side
    5,450.57x = 26,346,351.71
  5. Step 5: Solve for x
    x = 26,346,351.71/5,450.57
  6. Step 6: Final answer
    x = 4,833.68

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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.