Home / 4,922.64-6,789.96-3,926.16

Finding the Fourth Proportional to 4,922.64, 6,789.96 and 3,926.16

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Solution

The fourth proportional to 4,922.64, 6,789.96 and 3,926.16 is: 5,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.64 : 6,789.96 = 3,926.16 : x
  2. Step 2: Convert to fraction form
    4,922.64/6,789.96 = 3,926.16/x
  3. Step 3: Cross multiply
    4,922.64x = 6,789.96 × 3,926.16
  4. Step 4: Simplify right side
    4,922.64x = 26,658,469.35
  5. Step 5: Solve for x
    x = 26,658,469.35/4,922.64
  6. Step 6: Final answer
    x = 5,415.48

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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.