Home / 5,016.39-6,922.70-2,891.89

Finding the Fourth Proportional to 5,016.39, 6,922.70 and 2,891.89

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Solution

The fourth proportional to 5,016.39, 6,922.70 and 2,891.89 is: 3,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.39 : 6,922.70 = 2,891.89 : x
  2. Step 2: Convert to fraction form
    5,016.39/6,922.70 = 2,891.89/x
  3. Step 3: Cross multiply
    5,016.39x = 6,922.70 × 2,891.89
  4. Step 4: Simplify right side
    5,016.39x = 20,019,637.83
  5. Step 5: Solve for x
    x = 20,019,637.83/5,016.39
  6. Step 6: Final answer
    x = 3,990.84

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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.