Home / 2,961.54-4,442.31-2,192.58

Finding the Fourth Proportional to 2,961.54, 4,442.31 and 2,192.58

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Solution

The fourth proportional to 2,961.54, 4,442.31 and 2,192.58 is: 3,288.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.54 : 4,442.31 = 2,192.58 : x
  2. Step 2: Convert to fraction form
    2,961.54/4,442.31 = 2,192.58/x
  3. Step 3: Cross multiply
    2,961.54x = 4,442.31 × 2,192.58
  4. Step 4: Simplify right side
    2,961.54x = 9,740,120.06
  5. Step 5: Solve for x
    x = 9,740,120.06/2,961.54
  6. Step 6: Final answer
    x = 3,288.87

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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.