Home / 7,162.80-10,740.96-2,545.92

Finding the Fourth Proportional to 7,162.80, 10,740.96 and 2,545.92

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Solution

The fourth proportional to 7,162.80, 10,740.96 and 2,545.92 is: 3,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.80 : 10,740.96 = 2,545.92 : x
  2. Step 2: Convert to fraction form
    7,162.80/10,740.96 = 2,545.92/x
  3. Step 3: Cross multiply
    7,162.80x = 10,740.96 × 2,545.92
  4. Step 4: Simplify right side
    7,162.80x = 27,345,624.88
  5. Step 5: Solve for x
    x = 27,345,624.88/7,162.80
  6. Step 6: Final answer
    x = 3,817.73

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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.