Home / 5,919.27-8,880.72-3,149.07

Finding the Fourth Proportional to 5,919.27, 8,880.72 and 3,149.07

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Solution

The fourth proportional to 5,919.27, 8,880.72 and 3,149.07 is: 4,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.27 : 8,880.72 = 3,149.07 : x
  2. Step 2: Convert to fraction form
    5,919.27/8,880.72 = 3,149.07/x
  3. Step 3: Cross multiply
    5,919.27x = 8,880.72 × 3,149.07
  4. Step 4: Simplify right side
    5,919.27x = 27,966,008.93
  5. Step 5: Solve for x
    x = 27,966,008.93/5,919.27
  6. Step 6: Final answer
    x = 4,724.57

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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.