Home / 4,120.42-5,685.62-2,351.92

Finding the Fourth Proportional to 4,120.42, 5,685.62 and 2,351.92

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Solution

The fourth proportional to 4,120.42, 5,685.62 and 2,351.92 is: 3,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.42 : 5,685.62 = 2,351.92 : x
  2. Step 2: Convert to fraction form
    4,120.42/5,685.62 = 2,351.92/x
  3. Step 3: Cross multiply
    4,120.42x = 5,685.62 × 2,351.92
  4. Step 4: Simplify right side
    4,120.42x = 13,372,123.39
  5. Step 5: Solve for x
    x = 13,372,123.39/4,120.42
  6. Step 6: Final answer
    x = 3,245.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.