Home / 3,636.54-5,454.68-2,165.94

Finding the Fourth Proportional to 3,636.54, 5,454.68 and 2,165.94

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Solution

The fourth proportional to 3,636.54, 5,454.68 and 2,165.94 is: 3,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.54 : 5,454.68 = 2,165.94 : x
  2. Step 2: Convert to fraction form
    3,636.54/5,454.68 = 2,165.94/x
  3. Step 3: Cross multiply
    3,636.54x = 5,454.68 × 2,165.94
  4. Step 4: Simplify right side
    3,636.54x = 11,814,498.77
  5. Step 5: Solve for x
    x = 11,814,498.77/3,636.54
  6. Step 6: Final answer
    x = 3,248.83

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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.