Home / 2,816.41-4,223.73-1,172.53

Finding the Fourth Proportional to 2,816.41, 4,223.73 and 1,172.53

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Solution

The fourth proportional to 2,816.41, 4,223.73 and 1,172.53 is: 1,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.41 : 4,223.73 = 1,172.53 : x
  2. Step 2: Convert to fraction form
    2,816.41/4,223.73 = 1,172.53/x
  3. Step 3: Cross multiply
    2,816.41x = 4,223.73 × 1,172.53
  4. Step 4: Simplify right side
    2,816.41x = 4,952,450.14
  5. Step 5: Solve for x
    x = 4,952,450.14/2,816.41
  6. Step 6: Final answer
    x = 1,758.43

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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.