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Finding the Fourth Proportional to 6,370.94, 8,791.92 and 3,538.37

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Solution

The fourth proportional to 6,370.94, 8,791.92 and 3,538.37 is: 4,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.94 : 8,791.92 = 3,538.37 : x
  2. Step 2: Convert to fraction form
    6,370.94/8,791.92 = 3,538.37/x
  3. Step 3: Cross multiply
    6,370.94x = 8,791.92 × 3,538.37
  4. Step 4: Simplify right side
    6,370.94x = 31,109,022.01
  5. Step 5: Solve for x
    x = 31,109,022.01/6,370.94
  6. Step 6: Final answer
    x = 4,882.96

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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.