Home / 5,406.24-8,105.94-2,284.64

Finding the Fourth Proportional to 5,406.24, 8,105.94 and 2,284.64

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Solution

The fourth proportional to 5,406.24, 8,105.94 and 2,284.64 is: 3,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.24 : 8,105.94 = 2,284.64 : x
  2. Step 2: Convert to fraction form
    5,406.24/8,105.94 = 2,284.64/x
  3. Step 3: Cross multiply
    5,406.24x = 8,105.94 × 2,284.64
  4. Step 4: Simplify right side
    5,406.24x = 18,519,154.76
  5. Step 5: Solve for x
    x = 18,519,154.76/5,406.24
  6. Step 6: Final answer
    x = 3,425.51

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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.