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Finding the Fourth Proportional to 5,927.39, 8,179.81 and 3,274.82

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Solution

The fourth proportional to 5,927.39, 8,179.81 and 3,274.82 is: 4,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.39 : 8,179.81 = 3,274.82 : x
  2. Step 2: Convert to fraction form
    5,927.39/8,179.81 = 3,274.82/x
  3. Step 3: Cross multiply
    5,927.39x = 8,179.81 × 3,274.82
  4. Step 4: Simplify right side
    5,927.39x = 26,787,417.65
  5. Step 5: Solve for x
    x = 26,787,417.65/5,927.39
  6. Step 6: Final answer
    x = 4,519.26

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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.