Home / 2,924.36-4,035.72-1,968.56

Finding the Fourth Proportional to 2,924.36, 4,035.72 and 1,968.56

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Solution

The fourth proportional to 2,924.36, 4,035.72 and 1,968.56 is: 2,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.36 : 4,035.72 = 1,968.56 : x
  2. Step 2: Convert to fraction form
    2,924.36/4,035.72 = 1,968.56/x
  3. Step 3: Cross multiply
    2,924.36x = 4,035.72 × 1,968.56
  4. Step 4: Simplify right side
    2,924.36x = 7,944,556.96
  5. Step 5: Solve for x
    x = 7,944,556.96/2,924.36
  6. Step 6: Final answer
    x = 2,716.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.