Home / 7,351.21-11,024.49-2,419.75

Finding the Fourth Proportional to 7,351.21, 11,024.49 and 2,419.75

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Solution

The fourth proportional to 7,351.21, 11,024.49 and 2,419.75 is: 3,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.21 : 11,024.49 = 2,419.75 : x
  2. Step 2: Convert to fraction form
    7,351.21/11,024.49 = 2,419.75/x
  3. Step 3: Cross multiply
    7,351.21x = 11,024.49 × 2,419.75
  4. Step 4: Simplify right side
    7,351.21x = 26,676,509.68
  5. Step 5: Solve for x
    x = 26,676,509.68/7,351.21
  6. Step 6: Final answer
    x = 3,628.86

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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.