Home / 5,749.50-7,934.13-3,231.55

Finding the Fourth Proportional to 5,749.50, 7,934.13 and 3,231.55

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Solution

The fourth proportional to 5,749.50, 7,934.13 and 3,231.55 is: 4,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.50 : 7,934.13 = 3,231.55 : x
  2. Step 2: Convert to fraction form
    5,749.50/7,934.13 = 3,231.55/x
  3. Step 3: Cross multiply
    5,749.50x = 7,934.13 × 3,231.55
  4. Step 4: Simplify right side
    5,749.50x = 25,639,537.80
  5. Step 5: Solve for x
    x = 25,639,537.80/5,749.50
  6. Step 6: Final answer
    x = 4,459.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.