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Finding the Fourth Proportional to 6,393.83, 8,821.44 and 3,740.27

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Solution

The fourth proportional to 6,393.83, 8,821.44 and 3,740.27 is: 5,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.83 : 8,821.44 = 3,740.27 : x
  2. Step 2: Convert to fraction form
    6,393.83/8,821.44 = 3,740.27/x
  3. Step 3: Cross multiply
    6,393.83x = 8,821.44 × 3,740.27
  4. Step 4: Simplify right side
    6,393.83x = 32,994,523.28
  5. Step 5: Solve for x
    x = 32,994,523.28/6,393.83
  6. Step 6: Final answer
    x = 5,160.37

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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.