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Finding the Fourth Proportional to 6,089.85, 8,397.74 and 3,965.49

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Solution

The fourth proportional to 6,089.85, 8,397.74 and 3,965.49 is: 5,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.85 : 8,397.74 = 3,965.49 : x
  2. Step 2: Convert to fraction form
    6,089.85/8,397.74 = 3,965.49/x
  3. Step 3: Cross multiply
    6,089.85x = 8,397.74 × 3,965.49
  4. Step 4: Simplify right side
    6,089.85x = 33,301,163.91
  5. Step 5: Solve for x
    x = 33,301,163.91/6,089.85
  6. Step 6: Final answer
    x = 5,468.31

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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.