Home / 3,164.16-4,363.04-2,169.92

Finding the Fourth Proportional to 3,164.16, 4,363.04 and 2,169.92

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Solution

The fourth proportional to 3,164.16, 4,363.04 and 2,169.92 is: 2,992.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.16 : 4,363.04 = 2,169.92 : x
  2. Step 2: Convert to fraction form
    3,164.16/4,363.04 = 2,169.92/x
  3. Step 3: Cross multiply
    3,164.16x = 4,363.04 × 2,169.92
  4. Step 4: Simplify right side
    3,164.16x = 9,467,447.76
  5. Step 5: Solve for x
    x = 9,467,447.76/3,164.16
  6. Step 6: Final answer
    x = 2,992.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.