Home / 5,217.18-7,826.75-2,097.43

Finding the Fourth Proportional to 5,217.18, 7,826.75 and 2,097.43

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Solution

The fourth proportional to 5,217.18, 7,826.75 and 2,097.43 is: 3,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.18 : 7,826.75 = 2,097.43 : x
  2. Step 2: Convert to fraction form
    5,217.18/7,826.75 = 2,097.43/x
  3. Step 3: Cross multiply
    5,217.18x = 7,826.75 × 2,097.43
  4. Step 4: Simplify right side
    5,217.18x = 16,416,060.25
  5. Step 5: Solve for x
    x = 16,416,060.25/5,217.18
  6. Step 6: Final answer
    x = 3,146.54

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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.