Home / 4,713.56-7,072.20-2,115.92

Finding the Fourth Proportional to 4,713.56, 7,072.20 and 2,115.92

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Solution

The fourth proportional to 4,713.56, 7,072.20 and 2,115.92 is: 3,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713.56 : 7,072.20 = 2,115.92 : x
  2. Step 2: Convert to fraction form
    4,713.56/7,072.20 = 2,115.92/x
  3. Step 3: Cross multiply
    4,713.56x = 7,072.20 × 2,115.92
  4. Step 4: Simplify right side
    4,713.56x = 14,964,209.42
  5. Step 5: Solve for x
    x = 14,964,209.42/4,713.56
  6. Step 6: Final answer
    x = 3,174.71

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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.