Home / 7,282.24-10,049.76-4,138.96

Finding the Fourth Proportional to 7,282.24, 10,049.76 and 4,138.96

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Solution

The fourth proportional to 7,282.24, 10,049.76 and 4,138.96 is: 5,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.24 : 10,049.76 = 4,138.96 : x
  2. Step 2: Convert to fraction form
    7,282.24/10,049.76 = 4,138.96/x
  3. Step 3: Cross multiply
    7,282.24x = 10,049.76 × 4,138.96
  4. Step 4: Simplify right side
    7,282.24x = 41,595,554.65
  5. Step 5: Solve for x
    x = 41,595,554.65/7,282.24
  6. Step 6: Final answer
    x = 5,711.92

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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.