Home / 5,059.75-6,982.17-2,821.79

Finding the Fourth Proportional to 5,059.75, 6,982.17 and 2,821.79

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Solution

The fourth proportional to 5,059.75, 6,982.17 and 2,821.79 is: 3,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.75 : 6,982.17 = 2,821.79 : x
  2. Step 2: Convert to fraction form
    5,059.75/6,982.17 = 2,821.79/x
  3. Step 3: Cross multiply
    5,059.75x = 6,982.17 × 2,821.79
  4. Step 4: Simplify right side
    5,059.75x = 19,702,185.08
  5. Step 5: Solve for x
    x = 19,702,185.08/5,059.75
  6. Step 6: Final answer
    x = 3,893.91

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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.