Home / 5,291.68-7,968.44-3,914.73

Finding the Fourth Proportional to 5,291.68, 7,968.44 and 3,914.73

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Solution

The fourth proportional to 5,291.68, 7,968.44 and 3,914.73 is: 5,894.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.68 : 7,968.44 = 3,914.73 : x
  2. Step 2: Convert to fraction form
    5,291.68/7,968.44 = 3,914.73/x
  3. Step 3: Cross multiply
    5,291.68x = 7,968.44 × 3,914.73
  4. Step 4: Simplify right side
    5,291.68x = 31,194,291.12
  5. Step 5: Solve for x
    x = 31,194,291.12/5,291.68
  6. Step 6: Final answer
    x = 5,894.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.