Home / 4,122.96-5,689.83-2,354.54

Finding the Fourth Proportional to 4,122.96, 5,689.83 and 2,354.54

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Solution

The fourth proportional to 4,122.96, 5,689.83 and 2,354.54 is: 3,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.96 : 5,689.83 = 2,354.54 : x
  2. Step 2: Convert to fraction form
    4,122.96/5,689.83 = 2,354.54/x
  3. Step 3: Cross multiply
    4,122.96x = 5,689.83 × 2,354.54
  4. Step 4: Simplify right side
    4,122.96x = 13,396,903.88
  5. Step 5: Solve for x
    x = 13,396,903.88/4,122.96
  6. Step 6: Final answer
    x = 3,249.34

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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.