Home / 5,786.21-8,674.04-2,085.82

Finding the Fourth Proportional to 5,786.21, 8,674.04 and 2,085.82

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Solution

The fourth proportional to 5,786.21, 8,674.04 and 2,085.82 is: 3,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.21 : 8,674.04 = 2,085.82 : x
  2. Step 2: Convert to fraction form
    5,786.21/8,674.04 = 2,085.82/x
  3. Step 3: Cross multiply
    5,786.21x = 8,674.04 × 2,085.82
  4. Step 4: Simplify right side
    5,786.21x = 18,092,469.64
  5. Step 5: Solve for x
    x = 18,092,469.64/5,786.21
  6. Step 6: Final answer
    x = 3,126.82

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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.