Home / 5,241.91-7,234.19-2,884.05

Finding the Fourth Proportional to 5,241.91, 7,234.19 and 2,884.05

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Solution

The fourth proportional to 5,241.91, 7,234.19 and 2,884.05 is: 3,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,241.91 : 7,234.19 = 2,884.05 : x
  2. Step 2: Convert to fraction form
    5,241.91/7,234.19 = 2,884.05/x
  3. Step 3: Cross multiply
    5,241.91x = 7,234.19 × 2,884.05
  4. Step 4: Simplify right side
    5,241.91x = 20,863,751.25
  5. Step 5: Solve for x
    x = 20,863,751.25/5,241.91
  6. Step 6: Final answer
    x = 3,980.18

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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.