Home / 5,059.82-6,982.40-2,821.56

Finding the Fourth Proportional to 5,059.82, 6,982.40 and 2,821.56

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Solution

The fourth proportional to 5,059.82, 6,982.40 and 2,821.56 is: 3,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.82 : 6,982.40 = 2,821.56 : x
  2. Step 2: Convert to fraction form
    5,059.82/6,982.40 = 2,821.56/x
  3. Step 3: Cross multiply
    5,059.82x = 6,982.40 × 2,821.56
  4. Step 4: Simplify right side
    5,059.82x = 19,701,260.54
  5. Step 5: Solve for x
    x = 19,701,260.54/5,059.82
  6. Step 6: Final answer
    x = 3,893.67

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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.