Home / 4,990.60-6,883.14-3,222.64

Finding the Fourth Proportional to 4,990.60, 6,883.14 and 3,222.64

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Solution

The fourth proportional to 4,990.60, 6,883.14 and 3,222.64 is: 4,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.60 : 6,883.14 = 3,222.64 : x
  2. Step 2: Convert to fraction form
    4,990.60/6,883.14 = 3,222.64/x
  3. Step 3: Cross multiply
    4,990.60x = 6,883.14 × 3,222.64
  4. Step 4: Simplify right side
    4,990.60x = 22,181,882.29
  5. Step 5: Solve for x
    x = 22,181,882.29/4,990.60
  6. Step 6: Final answer
    x = 4,444.73

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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.