Home / 4,162.46-6,243.68-1,240.53

Finding the Fourth Proportional to 4,162.46, 6,243.68 and 1,240.53

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Solution

The fourth proportional to 4,162.46, 6,243.68 and 1,240.53 is: 1,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.46 : 6,243.68 = 1,240.53 : x
  2. Step 2: Convert to fraction form
    4,162.46/6,243.68 = 1,240.53/x
  3. Step 3: Cross multiply
    4,162.46x = 6,243.68 × 1,240.53
  4. Step 4: Simplify right side
    4,162.46x = 7,745,487.16
  5. Step 5: Solve for x
    x = 7,745,487.16/4,162.46
  6. Step 6: Final answer
    x = 1,860.80

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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.