Home / 3,442.14-5,163.22-845.08

Finding the Fourth Proportional to 3,442.14, 5,163.22 and 845.08

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Solution

The fourth proportional to 3,442.14, 5,163.22 and 845.08 is: 1,267.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.14 : 5,163.22 = 845.08 : x
  2. Step 2: Convert to fraction form
    3,442.14/5,163.22 = 845.08/x
  3. Step 3: Cross multiply
    3,442.14x = 5,163.22 × 845.08
  4. Step 4: Simplify right side
    3,442.14x = 4,363,329.73
  5. Step 5: Solve for x
    x = 4,363,329.73/3,442.14
  6. Step 6: Final answer
    x = 1,267.62

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1.5x scale

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.