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Finding the Fourth Proportional to 5,910.44, 8,159.74 and 3,923.71

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Solution

The fourth proportional to 5,910.44, 8,159.74 and 3,923.71 is: 5,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.44 : 8,159.74 = 3,923.71 : x
  2. Step 2: Convert to fraction form
    5,910.44/8,159.74 = 3,923.71/x
  3. Step 3: Cross multiply
    5,910.44x = 8,159.74 × 3,923.71
  4. Step 4: Simplify right side
    5,910.44x = 32,016,423.23
  5. Step 5: Solve for x
    x = 32,016,423.23/5,910.44
  6. Step 6: Final answer
    x = 5,416.93

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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.