Home / 6,438.37-8,882.09-4,199.73

Finding the Fourth Proportional to 6,438.37, 8,882.09 and 4,199.73

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Solution

The fourth proportional to 6,438.37, 8,882.09 and 4,199.73 is: 5,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.37 : 8,882.09 = 4,199.73 : x
  2. Step 2: Convert to fraction form
    6,438.37/8,882.09 = 4,199.73/x
  3. Step 3: Cross multiply
    6,438.37x = 8,882.09 × 4,199.73
  4. Step 4: Simplify right side
    6,438.37x = 37,302,314.43
  5. Step 5: Solve for x
    x = 37,302,314.43/6,438.37
  6. Step 6: Final answer
    x = 5,793.76

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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.