Home / 6,251.24-8,629.44-3,894.92

Finding the Fourth Proportional to 6,251.24, 8,629.44 and 3,894.92

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Solution

The fourth proportional to 6,251.24, 8,629.44 and 3,894.92 is: 5,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.24 : 8,629.44 = 3,894.92 : x
  2. Step 2: Convert to fraction form
    6,251.24/8,629.44 = 3,894.92/x
  3. Step 3: Cross multiply
    6,251.24x = 8,629.44 × 3,894.92
  4. Step 4: Simplify right side
    6,251.24x = 33,610,978.44
  5. Step 5: Solve for x
    x = 33,610,978.44/6,251.24
  6. Step 6: Final answer
    x = 5,376.69

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1.5x scale

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.