Home / 5,105.96-7,046.04-2,867.93

Finding the Fourth Proportional to 5,105.96, 7,046.04 and 2,867.93

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Solution

The fourth proportional to 5,105.96, 7,046.04 and 2,867.93 is: 3,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.96 : 7,046.04 = 2,867.93 : x
  2. Step 2: Convert to fraction form
    5,105.96/7,046.04 = 2,867.93/x
  3. Step 3: Cross multiply
    5,105.96x = 7,046.04 × 2,867.93
  4. Step 4: Simplify right side
    5,105.96x = 20,207,514.27
  5. Step 5: Solve for x
    x = 20,207,514.27/5,105.96
  6. Step 6: Final answer
    x = 3,957.64

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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.