Home / 5,234.14-7,217.21-3,815.33

Finding the Fourth Proportional to 5,234.14, 7,217.21 and 3,815.33

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Solution

The fourth proportional to 5,234.14, 7,217.21 and 3,815.33 is: 5,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.14 : 7,217.21 = 3,815.33 : x
  2. Step 2: Convert to fraction form
    5,234.14/7,217.21 = 3,815.33/x
  3. Step 3: Cross multiply
    5,234.14x = 7,217.21 × 3,815.33
  4. Step 4: Simplify right side
    5,234.14x = 27,536,036.95
  5. Step 5: Solve for x
    x = 27,536,036.95/5,234.14
  6. Step 6: Final answer
    x = 5,260.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.