Home / 5,972.96-8,961.63-2,078.48

Finding the Fourth Proportional to 5,972.96, 8,961.63 and 2,078.48

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Solution

The fourth proportional to 5,972.96, 8,961.63 and 2,078.48 is: 3,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,972.96 : 8,961.63 = 2,078.48 : x
  2. Step 2: Convert to fraction form
    5,972.96/8,961.63 = 2,078.48/x
  3. Step 3: Cross multiply
    5,972.96x = 8,961.63 × 2,078.48
  4. Step 4: Simplify right side
    5,972.96x = 18,626,568.72
  5. Step 5: Solve for x
    x = 18,626,568.72/5,972.96
  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.