Home / 5,771.52-8,653.82-2,647.61

Finding the Fourth Proportional to 5,771.52, 8,653.82 and 2,647.61

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Solution

The fourth proportional to 5,771.52, 8,653.82 and 2,647.61 is: 3,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.52 : 8,653.82 = 2,647.61 : x
  2. Step 2: Convert to fraction form
    5,771.52/8,653.82 = 2,647.61/x
  3. Step 3: Cross multiply
    5,771.52x = 8,653.82 × 2,647.61
  4. Step 4: Simplify right side
    5,771.52x = 22,911,940.65
  5. Step 5: Solve for x
    x = 22,911,940.65/5,771.52
  6. Step 6: Final answer
    x = 3,969.83

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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.