Home / 5,829.84-8,748.09-2,131.56

Finding the Fourth Proportional to 5,829.84, 8,748.09 and 2,131.56

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Solution

The fourth proportional to 5,829.84, 8,748.09 and 2,131.56 is: 3,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.84 : 8,748.09 = 2,131.56 : x
  2. Step 2: Convert to fraction form
    5,829.84/8,748.09 = 2,131.56/x
  3. Step 3: Cross multiply
    5,829.84x = 8,748.09 × 2,131.56
  4. Step 4: Simplify right side
    5,829.84x = 18,647,078.72
  5. Step 5: Solve for x
    x = 18,647,078.72/5,829.84
  6. Step 6: Final answer
    x = 3,198.56

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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.