Home / 7,188.92-10,784.19-3,028.16

Finding the Fourth Proportional to 7,188.92, 10,784.19 and 3,028.16

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Solution

The fourth proportional to 7,188.92, 10,784.19 and 3,028.16 is: 4,542.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.92 : 10,784.19 = 3,028.16 : x
  2. Step 2: Convert to fraction form
    7,188.92/10,784.19 = 3,028.16/x
  3. Step 3: Cross multiply
    7,188.92x = 10,784.19 × 3,028.16
  4. Step 4: Simplify right side
    7,188.92x = 32,656,198.87
  5. Step 5: Solve for x
    x = 32,656,198.87/7,188.92
  6. Step 6: Final answer
    x = 4,542.58

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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.