Home / 5,790.97-8,679.47-2,666.70

Finding the Fourth Proportional to 5,790.97, 8,679.47 and 2,666.70

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Solution

The fourth proportional to 5,790.97, 8,679.47 and 2,666.70 is: 3,996.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.97 : 8,679.47 = 2,666.70 : x
  2. Step 2: Convert to fraction form
    5,790.97/8,679.47 = 2,666.70/x
  3. Step 3: Cross multiply
    5,790.97x = 8,679.47 × 2,666.70
  4. Step 4: Simplify right side
    5,790.97x = 23,145,542.65
  5. Step 5: Solve for x
    x = 23,145,542.65/5,790.97
  6. Step 6: Final answer
    x = 3,996.83

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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.