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Finding the Fourth Proportional to 5,793.36, 8,690.09 and 3,831.57

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Solution

The fourth proportional to 5,793.36, 8,690.09 and 3,831.57 is: 5,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,793.36 : 8,690.09 = 3,831.57 : x
  2. Step 2: Convert to fraction form
    5,793.36/8,690.09 = 3,831.57/x
  3. Step 3: Cross multiply
    5,793.36x = 8,690.09 × 3,831.57
  4. Step 4: Simplify right side
    5,793.36x = 33,296,668.98
  5. Step 5: Solve for x
    x = 33,296,668.98/5,793.36
  6. Step 6: Final answer
    x = 5,747.39

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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.