Home / 5,049.32-6,967.96-2,811.12

Finding the Fourth Proportional to 5,049.32, 6,967.96 and 2,811.12

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Solution

The fourth proportional to 5,049.32, 6,967.96 and 2,811.12 is: 3,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,049.32 : 6,967.96 = 2,811.12 : x
  2. Step 2: Convert to fraction form
    5,049.32/6,967.96 = 2,811.12/x
  3. Step 3: Cross multiply
    5,049.32x = 6,967.96 × 2,811.12
  4. Step 4: Simplify right side
    5,049.32x = 19,587,771.72
  5. Step 5: Solve for x
    x = 19,587,771.72/5,049.32
  6. Step 6: Final answer
    x = 3,879.29

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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.