Home / 7,627.49-11,431.14-3,464.75

Finding the Fourth Proportional to 7,627.49, 11,431.14 and 3,464.75

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Solution

The fourth proportional to 7,627.49, 11,431.14 and 3,464.75 is: 5,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.49 : 11,431.14 = 3,464.75 : x
  2. Step 2: Convert to fraction form
    7,627.49/11,431.14 = 3,464.75/x
  3. Step 3: Cross multiply
    7,627.49x = 11,431.14 × 3,464.75
  4. Step 4: Simplify right side
    7,627.49x = 39,606,042.32
  5. Step 5: Solve for x
    x = 39,606,042.32/7,627.49
  6. Step 6: Final answer
    x = 5,192.54

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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.