Home / 3,992.04-5,508.07-2,999.70

Finding the Fourth Proportional to 3,992.04, 5,508.07 and 2,999.70

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Solution

The fourth proportional to 3,992.04, 5,508.07 and 2,999.70 is: 4,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.04 : 5,508.07 = 2,999.70 : x
  2. Step 2: Convert to fraction form
    3,992.04/5,508.07 = 2,999.70/x
  3. Step 3: Cross multiply
    3,992.04x = 5,508.07 × 2,999.70
  4. Step 4: Simplify right side
    3,992.04x = 16,522,550.08
  5. Step 5: Solve for x
    x = 16,522,550.08/3,992.04
  6. Step 6: Final answer
    x = 4,138.87

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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.