Home / 2,481.05-3,423.63-1,361.99

Finding the Fourth Proportional to 2,481.05, 3,423.63 and 1,361.99

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Solution

The fourth proportional to 2,481.05, 3,423.63 and 1,361.99 is: 1,879.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.05 : 3,423.63 = 1,361.99 : x
  2. Step 2: Convert to fraction form
    2,481.05/3,423.63 = 1,361.99/x
  3. Step 3: Cross multiply
    2,481.05x = 3,423.63 × 1,361.99
  4. Step 4: Simplify right side
    2,481.05x = 4,662,932.71
  5. Step 5: Solve for x
    x = 4,662,932.71/2,481.05
  6. Step 6: Final answer
    x = 1,879.42

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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.