Home / 5,348.37-8,020.50-2,141.70

Finding the Fourth Proportional to 5,348.37, 8,020.50 and 2,141.70

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Solution

The fourth proportional to 5,348.37, 8,020.50 and 2,141.70 is: 3,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.37 : 8,020.50 = 2,141.70 : x
  2. Step 2: Convert to fraction form
    5,348.37/8,020.50 = 2,141.70/x
  3. Step 3: Cross multiply
    5,348.37x = 8,020.50 × 2,141.70
  4. Step 4: Simplify right side
    5,348.37x = 17,177,504.85
  5. Step 5: Solve for x
    x = 17,177,504.85/5,348.37
  6. Step 6: Final answer
    x = 3,211.73

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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.