Home / 5,171.12-7,755.92-1,884.22

Finding the Fourth Proportional to 5,171.12, 7,755.92 and 1,884.22

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Solution

The fourth proportional to 5,171.12, 7,755.92 and 1,884.22 is: 2,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171.12 : 7,755.92 = 1,884.22 : x
  2. Step 2: Convert to fraction form
    5,171.12/7,755.92 = 1,884.22/x
  3. Step 3: Cross multiply
    5,171.12x = 7,755.92 × 1,884.22
  4. Step 4: Simplify right side
    5,171.12x = 14,613,844.90
  5. Step 5: Solve for x
    x = 14,613,844.90/5,171.12
  6. Step 6: Final answer
    x = 2,826.05

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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.