Home / 7,404.15-10,217.34-4,217.43

Finding the Fourth Proportional to 7,404.15, 10,217.34 and 4,217.43

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Solution

The fourth proportional to 7,404.15, 10,217.34 and 4,217.43 is: 5,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.15 : 10,217.34 = 4,217.43 : x
  2. Step 2: Convert to fraction form
    7,404.15/10,217.34 = 4,217.43/x
  3. Step 3: Cross multiply
    7,404.15x = 10,217.34 × 4,217.43
  4. Step 4: Simplify right side
    7,404.15x = 43,090,916.24
  5. Step 5: Solve for x
    x = 43,090,916.24/7,404.15
  6. Step 6: Final answer
    x = 5,819.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.