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Finding the Fourth Proportional to 5,668.86, 7,822.89 and 3,150.96

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Solution

The fourth proportional to 5,668.86, 7,822.89 and 3,150.96 is: 4,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.86 : 7,822.89 = 3,150.96 : x
  2. Step 2: Convert to fraction form
    5,668.86/7,822.89 = 3,150.96/x
  3. Step 3: Cross multiply
    5,668.86x = 7,822.89 × 3,150.96
  4. Step 4: Simplify right side
    5,668.86x = 24,649,613.47
  5. Step 5: Solve for x
    x = 24,649,613.47/5,668.86
  6. Step 6: Final answer
    x = 4,348.25

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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.