Home / 5,767.80-8,651.72-1,872.52

Finding the Fourth Proportional to 5,767.80, 8,651.72 and 1,872.52

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Solution

The fourth proportional to 5,767.80, 8,651.72 and 1,872.52 is: 2,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.80 : 8,651.72 = 1,872.52 : x
  2. Step 2: Convert to fraction form
    5,767.80/8,651.72 = 1,872.52/x
  3. Step 3: Cross multiply
    5,767.80x = 8,651.72 × 1,872.52
  4. Step 4: Simplify right side
    5,767.80x = 16,200,518.73
  5. Step 5: Solve for x
    x = 16,200,518.73/5,767.80
  6. Step 6: Final answer
    x = 2,808.79

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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.