Home / 2,722.24-4,083.54-1,161.37

Finding the Fourth Proportional to 2,722.24, 4,083.54 and 1,161.37

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Solution

The fourth proportional to 2,722.24, 4,083.54 and 1,161.37 is: 1,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.24 : 4,083.54 = 1,161.37 : x
  2. Step 2: Convert to fraction form
    2,722.24/4,083.54 = 1,161.37/x
  3. Step 3: Cross multiply
    2,722.24x = 4,083.54 × 1,161.37
  4. Step 4: Simplify right side
    2,722.24x = 4,742,500.85
  5. Step 5: Solve for x
    x = 4,742,500.85/2,722.24
  6. Step 6: Final answer
    x = 1,742.13

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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.