Home / 6,602.22-9,113.91-3,949.11

Finding the Fourth Proportional to 6,602.22, 9,113.91 and 3,949.11

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Solution

The fourth proportional to 6,602.22, 9,113.91 and 3,949.11 is: 5,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.22 : 9,113.91 = 3,949.11 : x
  2. Step 2: Convert to fraction form
    6,602.22/9,113.91 = 3,949.11/x
  3. Step 3: Cross multiply
    6,602.22x = 9,113.91 × 3,949.11
  4. Step 4: Simplify right side
    6,602.22x = 35,991,833.12
  5. Step 5: Solve for x
    x = 35,991,833.12/6,602.22
  6. Step 6: Final answer
    x = 5,451.47

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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.