Home / 5,261.14-7,884.18-3,863.51

Finding the Fourth Proportional to 5,261.14, 7,884.18 and 3,863.51

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Solution

The fourth proportional to 5,261.14, 7,884.18 and 3,863.51 is: 5,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.14 : 7,884.18 = 3,863.51 : x
  2. Step 2: Convert to fraction form
    5,261.14/7,884.18 = 3,863.51/x
  3. Step 3: Cross multiply
    5,261.14x = 7,884.18 × 3,863.51
  4. Step 4: Simplify right side
    5,261.14x = 30,460,608.27
  5. Step 5: Solve for x
    x = 30,460,608.27/5,261.14
  6. Step 6: Final answer
    x = 5,789.74

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1.5x scale

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.