Home / 7,651.72-11,481.36-4,531.60

Finding the Fourth Proportional to 7,651.72, 11,481.36 and 4,531.60

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Solution

The fourth proportional to 7,651.72, 11,481.36 and 4,531.60 is: 6,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,651.72 : 11,481.36 = 4,531.60 : x
  2. Step 2: Convert to fraction form
    7,651.72/11,481.36 = 4,531.60/x
  3. Step 3: Cross multiply
    7,651.72x = 11,481.36 × 4,531.60
  4. Step 4: Simplify right side
    7,651.72x = 52,028,930.98
  5. Step 5: Solve for x
    x = 52,028,930.98/7,651.72
  6. Step 6: Final answer
    x = 6,799.64

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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.