Home / 3,742.36-5,616.12-1,433.88

Finding the Fourth Proportional to 3,742.36, 5,616.12 and 1,433.88

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Solution

The fourth proportional to 3,742.36, 5,616.12 and 1,433.88 is: 2,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.36 : 5,616.12 = 1,433.88 : x
  2. Step 2: Convert to fraction form
    3,742.36/5,616.12 = 1,433.88/x
  3. Step 3: Cross multiply
    3,742.36x = 5,616.12 × 1,433.88
  4. Step 4: Simplify right side
    3,742.36x = 8,052,842.15
  5. Step 5: Solve for x
    x = 8,052,842.15/3,742.36
  6. Step 6: Final answer
    x = 2,151.81

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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.