Home / 5,469.48-8,206.74-3,391.92

Finding the Fourth Proportional to 5,469.48, 8,206.74 and 3,391.92

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Solution

The fourth proportional to 5,469.48, 8,206.74 and 3,391.92 is: 5,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.48 : 8,206.74 = 3,391.92 : x
  2. Step 2: Convert to fraction form
    5,469.48/8,206.74 = 3,391.92/x
  3. Step 3: Cross multiply
    5,469.48x = 8,206.74 × 3,391.92
  4. Step 4: Simplify right side
    5,469.48x = 27,836,605.54
  5. Step 5: Solve for x
    x = 27,836,605.54/5,469.48
  6. Step 6: Final answer
    x = 5,089.44

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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.