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Finding the Fourth Proportional to 5,957.91, 8,221.97 and 3,305.57

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Solution

The fourth proportional to 5,957.91, 8,221.97 and 3,305.57 is: 4,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,957.91 : 8,221.97 = 3,305.57 : x
  2. Step 2: Convert to fraction form
    5,957.91/8,221.97 = 3,305.57/x
  3. Step 3: Cross multiply
    5,957.91x = 8,221.97 × 3,305.57
  4. Step 4: Simplify right side
    5,957.91x = 27,178,264.53
  5. Step 5: Solve for x
    x = 27,178,264.53/5,957.91
  6. Step 6: Final answer
    x = 4,561.71

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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.