Home / 5,629.20-8,440.44-2,340.36

Finding the Fourth Proportional to 5,629.20, 8,440.44 and 2,340.36

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Solution

The fourth proportional to 5,629.20, 8,440.44 and 2,340.36 is: 3,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.20 : 8,440.44 = 2,340.36 : x
  2. Step 2: Convert to fraction form
    5,629.20/8,440.44 = 2,340.36/x
  3. Step 3: Cross multiply
    5,629.20x = 8,440.44 × 2,340.36
  4. Step 4: Simplify right side
    5,629.20x = 19,753,668.16
  5. Step 5: Solve for x
    x = 19,753,668.16/5,629.20
  6. Step 6: Final answer
    x = 3,509.14

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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.