Home / 3,091.52-4,614.91-2,884.05

Finding the Fourth Proportional to 3,091.52, 4,614.91 and 2,884.05

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Solution

The fourth proportional to 3,091.52, 4,614.91 and 2,884.05 is: 4,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.52 : 4,614.91 = 2,884.05 : x
  2. Step 2: Convert to fraction form
    3,091.52/4,614.91 = 2,884.05/x
  3. Step 3: Cross multiply
    3,091.52x = 4,614.91 × 2,884.05
  4. Step 4: Simplify right side
    3,091.52x = 13,309,623.98
  5. Step 5: Solve for x
    x = 13,309,623.98/3,091.52
  6. Step 6: Final answer
    x = 4,305.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.