Home / 2,161.24-3,241.92-700.54

Finding the Fourth Proportional to 2,161.24, 3,241.92 and 700.54

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Solution

The fourth proportional to 2,161.24, 3,241.92 and 700.54 is: 1,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.24 : 3,241.92 = 700.54 : x
  2. Step 2: Convert to fraction form
    2,161.24/3,241.92 = 700.54/x
  3. Step 3: Cross multiply
    2,161.24x = 3,241.92 × 700.54
  4. Step 4: Simplify right side
    2,161.24x = 2,271,094.64
  5. Step 5: Solve for x
    x = 2,271,094.64/2,161.24
  6. Step 6: Final answer
    x = 1,050.83

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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.