Home / 7,378.05-10,181.75-4,020.94

Finding the Fourth Proportional to 7,378.05, 10,181.75 and 4,020.94

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Solution

The fourth proportional to 7,378.05, 10,181.75 and 4,020.94 is: 5,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.05 : 10,181.75 = 4,020.94 : x
  2. Step 2: Convert to fraction form
    7,378.05/10,181.75 = 4,020.94/x
  3. Step 3: Cross multiply
    7,378.05x = 10,181.75 × 4,020.94
  4. Step 4: Simplify right side
    7,378.05x = 40,940,205.85
  5. Step 5: Solve for x
    x = 40,940,205.85/7,378.05
  6. Step 6: Final answer
    x = 5,548.92

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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.