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Finding the Fourth Proportional to 4,393.94, 6,562.79 and 3,976.83

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Solution

The fourth proportional to 4,393.94, 6,562.79 and 3,976.83 is: 5,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.94 : 6,562.79 = 3,976.83 : x
  2. Step 2: Convert to fraction form
    4,393.94/6,562.79 = 3,976.83/x
  3. Step 3: Cross multiply
    4,393.94x = 6,562.79 × 3,976.83
  4. Step 4: Simplify right side
    4,393.94x = 26,099,080.27
  5. Step 5: Solve for x
    x = 26,099,080.27/4,393.94
  6. Step 6: Final answer
    x = 5,939.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.