Home / 4,103.88-6,149.32-2,154.12

Finding the Fourth Proportional to 4,103.88, 6,149.32 and 2,154.12

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Solution

The fourth proportional to 4,103.88, 6,149.32 and 2,154.12 is: 3,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.88 : 6,149.32 = 2,154.12 : x
  2. Step 2: Convert to fraction form
    4,103.88/6,149.32 = 2,154.12/x
  3. Step 3: Cross multiply
    4,103.88x = 6,149.32 × 2,154.12
  4. Step 4: Simplify right side
    4,103.88x = 13,246,373.20
  5. Step 5: Solve for x
    x = 13,246,373.20/4,103.88
  6. Step 6: Final answer
    x = 3,227.77

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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.