Home / 5,974.21-8,961.59-2,078.92

Finding the Fourth Proportional to 5,974.21, 8,961.59 and 2,078.92

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Solution

The fourth proportional to 5,974.21, 8,961.59 and 2,078.92 is: 3,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.21 : 8,961.59 = 2,078.92 : x
  2. Step 2: Convert to fraction form
    5,974.21/8,961.59 = 2,078.92/x
  3. Step 3: Cross multiply
    5,974.21x = 8,961.59 × 2,078.92
  4. Step 4: Simplify right side
    5,974.21x = 18,630,428.68
  5. Step 5: Solve for x
    x = 18,630,428.68/5,974.21
  6. Step 6: Final answer
    x = 3,118.48

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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.