Home / 7,238.53-10,861.25-4,078.49

Finding the Fourth Proportional to 7,238.53, 10,861.25 and 4,078.49

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Solution

The fourth proportional to 7,238.53, 10,861.25 and 4,078.49 is: 6,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238.53 : 10,861.25 = 4,078.49 : x
  2. Step 2: Convert to fraction form
    7,238.53/10,861.25 = 4,078.49/x
  3. Step 3: Cross multiply
    7,238.53x = 10,861.25 × 4,078.49
  4. Step 4: Simplify right side
    7,238.53x = 44,297,453.49
  5. Step 5: Solve for x
    x = 44,297,453.49/7,238.53
  6. Step 6: Final answer
    x = 6,119.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.