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Finding the Fourth Proportional to 5,651.11, 7,795.90 and 3,662.31

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Solution

The fourth proportional to 5,651.11, 7,795.90 and 3,662.31 is: 5,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.11 : 7,795.90 = 3,662.31 : x
  2. Step 2: Convert to fraction form
    5,651.11/7,795.90 = 3,662.31/x
  3. Step 3: Cross multiply
    5,651.11x = 7,795.90 × 3,662.31
  4. Step 4: Simplify right side
    5,651.11x = 28,551,002.53
  5. Step 5: Solve for x
    x = 28,551,002.53/5,651.11
  6. Step 6: Final answer
    x = 5,052.28

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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.