Home / 5,059.61-6,982.22-2,821.44

Finding the Fourth Proportional to 5,059.61, 6,982.22 and 2,821.44

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Solution

The fourth proportional to 5,059.61, 6,982.22 and 2,821.44 is: 3,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.61 : 6,982.22 = 2,821.44 : x
  2. Step 2: Convert to fraction form
    5,059.61/6,982.22 = 2,821.44/x
  3. Step 3: Cross multiply
    5,059.61x = 6,982.22 × 2,821.44
  4. Step 4: Simplify right side
    5,059.61x = 19,699,921.85
  5. Step 5: Solve for x
    x = 19,699,921.85/5,059.61
  6. Step 6: Final answer
    x = 3,893.57

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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.