Home / 4,988.37-6,882.68-3,170.73

Finding the Fourth Proportional to 4,988.37, 6,882.68 and 3,170.73

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Solution

The fourth proportional to 4,988.37, 6,882.68 and 3,170.73 is: 4,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.37 : 6,882.68 = 3,170.73 : x
  2. Step 2: Convert to fraction form
    4,988.37/6,882.68 = 3,170.73/x
  3. Step 3: Cross multiply
    4,988.37x = 6,882.68 × 3,170.73
  4. Step 4: Simplify right side
    4,988.37x = 21,823,104.10
  5. Step 5: Solve for x
    x = 21,823,104.10/4,988.37
  6. Step 6: Final answer
    x = 4,374.80

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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.