Home / 3,684.09-5,517.63-2,220.02

Finding the Fourth Proportional to 3,684.09, 5,517.63 and 2,220.02

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Solution

The fourth proportional to 3,684.09, 5,517.63 and 2,220.02 is: 3,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.09 : 5,517.63 = 2,220.02 : x
  2. Step 2: Convert to fraction form
    3,684.09/5,517.63 = 2,220.02/x
  3. Step 3: Cross multiply
    3,684.09x = 5,517.63 × 2,220.02
  4. Step 4: Simplify right side
    3,684.09x = 12,249,221.36
  5. Step 5: Solve for x
    x = 12,249,221.36/3,684.09
  6. Step 6: Final answer
    x = 3,324.90

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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.