Home / 4,945.38-7,419.93-2,571.98

Finding the Fourth Proportional to 4,945.38, 7,419.93 and 2,571.98

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Solution

The fourth proportional to 4,945.38, 7,419.93 and 2,571.98 is: 3,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.38 : 7,419.93 = 2,571.98 : x
  2. Step 2: Convert to fraction form
    4,945.38/7,419.93 = 2,571.98/x
  3. Step 3: Cross multiply
    4,945.38x = 7,419.93 × 2,571.98
  4. Step 4: Simplify right side
    4,945.38x = 19,083,911.56
  5. Step 5: Solve for x
    x = 19,083,911.56/4,945.38
  6. Step 6: Final answer
    x = 3,858.94

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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.