Home / 4,926.67-6,792.69-3,978.97

Finding the Fourth Proportional to 4,926.67, 6,792.69 and 3,978.97

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Solution

The fourth proportional to 4,926.67, 6,792.69 and 3,978.97 is: 5,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.67 : 6,792.69 = 3,978.97 : x
  2. Step 2: Convert to fraction form
    4,926.67/6,792.69 = 3,978.97/x
  3. Step 3: Cross multiply
    4,926.67x = 6,792.69 × 3,978.97
  4. Step 4: Simplify right side
    4,926.67x = 27,027,912.31
  5. Step 5: Solve for x
    x = 27,027,912.31/4,926.67
  6. Step 6: Final answer
    x = 5,486.04

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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.