Home / 5,469.31-8,207.61-5,104.81

Finding the Fourth Proportional to 5,469.31, 8,207.61 and 5,104.81

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Solution

The fourth proportional to 5,469.31, 8,207.61 and 5,104.81 is: 7,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.31 : 8,207.61 = 5,104.81 : x
  2. Step 2: Convert to fraction form
    5,469.31/8,207.61 = 5,104.81/x
  3. Step 3: Cross multiply
    5,469.31x = 8,207.61 × 5,104.81
  4. Step 4: Simplify right side
    5,469.31x = 41,898,289.60
  5. Step 5: Solve for x
    x = 41,898,289.60/5,469.31
  6. Step 6: Final answer
    x = 7,660.62

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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.