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Finding the Fourth Proportional to 6,596.91, 9,100.62 and 3,906.43

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Solution

The fourth proportional to 6,596.91, 9,100.62 and 3,906.43 is: 5,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,596.91 : 9,100.62 = 3,906.43 : x
  2. Step 2: Convert to fraction form
    6,596.91/9,100.62 = 3,906.43/x
  3. Step 3: Cross multiply
    6,596.91x = 9,100.62 × 3,906.43
  4. Step 4: Simplify right side
    6,596.91x = 35,550,912.24
  5. Step 5: Solve for x
    x = 35,550,912.24/6,596.91
  6. Step 6: Final answer
    x = 5,389.02

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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.