Home / 5,274.22-7,911.36-2,354.56

Finding the Fourth Proportional to 5,274.22, 7,911.36 and 2,354.56

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Solution

The fourth proportional to 5,274.22, 7,911.36 and 2,354.56 is: 3,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.22 : 7,911.36 = 2,354.56 : x
  2. Step 2: Convert to fraction form
    5,274.22/7,911.36 = 2,354.56/x
  3. Step 3: Cross multiply
    5,274.22x = 7,911.36 × 2,354.56
  4. Step 4: Simplify right side
    5,274.22x = 18,627,771.80
  5. Step 5: Solve for x
    x = 18,627,771.80/5,274.22
  6. Step 6: Final answer
    x = 3,531.85

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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.