Home / 2,829.75-4,236.72-2,134.24

Finding the Fourth Proportional to 2,829.75, 4,236.72 and 2,134.24

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Solution

The fourth proportional to 2,829.75, 4,236.72 and 2,134.24 is: 3,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.75 : 4,236.72 = 2,134.24 : x
  2. Step 2: Convert to fraction form
    2,829.75/4,236.72 = 2,134.24/x
  3. Step 3: Cross multiply
    2,829.75x = 4,236.72 × 2,134.24
  4. Step 4: Simplify right side
    2,829.75x = 9,042,174.59
  5. Step 5: Solve for x
    x = 9,042,174.59/2,829.75
  6. Step 6: Final answer
    x = 3,195.40

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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.