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Finding the Fourth Proportional to 4,489.91, 6,193.32 and 2,895.97

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Solution

The fourth proportional to 4,489.91, 6,193.32 and 2,895.97 is: 3,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.91 : 6,193.32 = 2,895.97 : x
  2. Step 2: Convert to fraction form
    4,489.91/6,193.32 = 2,895.97/x
  3. Step 3: Cross multiply
    4,489.91x = 6,193.32 × 2,895.97
  4. Step 4: Simplify right side
    4,489.91x = 17,935,668.92
  5. Step 5: Solve for x
    x = 17,935,668.92/4,489.91
  6. Step 6: Final answer
    x = 3,994.66

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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.