Home / 3,867.77-5,802.11-2,224.34

Finding the Fourth Proportional to 3,867.77, 5,802.11 and 2,224.34

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Solution

The fourth proportional to 3,867.77, 5,802.11 and 2,224.34 is: 3,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.77 : 5,802.11 = 2,224.34 : x
  2. Step 2: Convert to fraction form
    3,867.77/5,802.11 = 2,224.34/x
  3. Step 3: Cross multiply
    3,867.77x = 5,802.11 × 2,224.34
  4. Step 4: Simplify right side
    3,867.77x = 12,905,841.91
  5. Step 5: Solve for x
    x = 12,905,841.91/3,867.77
  6. Step 6: Final answer
    x = 3,336.76

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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.