Home / 5,112.74-7,670.44-2,338.09

Finding the Fourth Proportional to 5,112.74, 7,670.44 and 2,338.09

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Solution

The fourth proportional to 5,112.74, 7,670.44 and 2,338.09 is: 3,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.74 : 7,670.44 = 2,338.09 : x
  2. Step 2: Convert to fraction form
    5,112.74/7,670.44 = 2,338.09/x
  3. Step 3: Cross multiply
    5,112.74x = 7,670.44 × 2,338.09
  4. Step 4: Simplify right side
    5,112.74x = 17,934,179.06
  5. Step 5: Solve for x
    x = 17,934,179.06/5,112.74
  6. Step 6: Final answer
    x = 3,507.74

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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.