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Finding the Fourth Proportional to 6,370.88, 8,791.07 and 3,537.97

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Solution

The fourth proportional to 6,370.88, 8,791.07 and 3,537.97 is: 4,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.88 : 8,791.07 = 3,537.97 : x
  2. Step 2: Convert to fraction form
    6,370.88/8,791.07 = 3,537.97/x
  3. Step 3: Cross multiply
    6,370.88x = 8,791.07 × 3,537.97
  4. Step 4: Simplify right side
    6,370.88x = 31,102,502.26
  5. Step 5: Solve for x
    x = 31,102,502.26/6,370.88
  6. Step 6: Final answer
    x = 4,881.98

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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.