Home / 6,474.28-8,933.46-3,821.32

Finding the Fourth Proportional to 6,474.28, 8,933.46 and 3,821.32

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Solution

The fourth proportional to 6,474.28, 8,933.46 and 3,821.32 is: 5,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.28 : 8,933.46 = 3,821.32 : x
  2. Step 2: Convert to fraction form
    6,474.28/8,933.46 = 3,821.32/x
  3. Step 3: Cross multiply
    6,474.28x = 8,933.46 × 3,821.32
  4. Step 4: Simplify right side
    6,474.28x = 34,137,609.37
  5. Step 5: Solve for x
    x = 34,137,609.37/6,474.28
  6. Step 6: Final answer
    x = 5,272.80

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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.