Home / 2,451.75-3,678.53-1,136.13

Finding the Fourth Proportional to 2,451.75, 3,678.53 and 1,136.13

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Solution

The fourth proportional to 2,451.75, 3,678.53 and 1,136.13 is: 1,704.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.75 : 3,678.53 = 1,136.13 : x
  2. Step 2: Convert to fraction form
    2,451.75/3,678.53 = 1,136.13/x
  3. Step 3: Cross multiply
    2,451.75x = 3,678.53 × 1,136.13
  4. Step 4: Simplify right side
    2,451.75x = 4,179,288.29
  5. Step 5: Solve for x
    x = 4,179,288.29/2,451.75
  6. Step 6: Final answer
    x = 1,704.61

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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.