Home / 5,644.70-8,469.28-4,086.66

Finding the Fourth Proportional to 5,644.70, 8,469.28 and 4,086.66

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Solution

The fourth proportional to 5,644.70, 8,469.28 and 4,086.66 is: 6,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.70 : 8,469.28 = 4,086.66 : x
  2. Step 2: Convert to fraction form
    5,644.70/8,469.28 = 4,086.66/x
  3. Step 3: Cross multiply
    5,644.70x = 8,469.28 × 4,086.66
  4. Step 4: Simplify right side
    5,644.70x = 34,611,081.69
  5. Step 5: Solve for x
    x = 34,611,081.69/5,644.70
  6. Step 6: Final answer
    x = 6,131.61

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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.