Home / 4,912.52-7,368.09-2,571.75

Finding the Fourth Proportional to 4,912.52, 7,368.09 and 2,571.75

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Solution

The fourth proportional to 4,912.52, 7,368.09 and 2,571.75 is: 3,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.52 : 7,368.09 = 2,571.75 : x
  2. Step 2: Convert to fraction form
    4,912.52/7,368.09 = 2,571.75/x
  3. Step 3: Cross multiply
    4,912.52x = 7,368.09 × 2,571.75
  4. Step 4: Simplify right side
    4,912.52x = 18,948,885.46
  5. Step 5: Solve for x
    x = 18,948,885.46/4,912.52
  6. Step 6: Final answer
    x = 3,857.27

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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.