Home / 5,884.51-8,120.59-3,195.78

Finding the Fourth Proportional to 5,884.51, 8,120.59 and 3,195.78

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Solution

The fourth proportional to 5,884.51, 8,120.59 and 3,195.78 is: 4,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.51 : 8,120.59 = 3,195.78 : x
  2. Step 2: Convert to fraction form
    5,884.51/8,120.59 = 3,195.78/x
  3. Step 3: Cross multiply
    5,884.51x = 8,120.59 × 3,195.78
  4. Step 4: Simplify right side
    5,884.51x = 25,951,611.12
  5. Step 5: Solve for x
    x = 25,951,611.12/5,884.51
  6. Step 6: Final answer
    x = 4,410.16

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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.