Home / 4,170.24-6,253.74-2,221.38

Finding the Fourth Proportional to 4,170.24, 6,253.74 and 2,221.38

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Solution

The fourth proportional to 4,170.24, 6,253.74 and 2,221.38 is: 3,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.24 : 6,253.74 = 2,221.38 : x
  2. Step 2: Convert to fraction form
    4,170.24/6,253.74 = 2,221.38/x
  3. Step 3: Cross multiply
    4,170.24x = 6,253.74 × 2,221.38
  4. Step 4: Simplify right side
    4,170.24x = 13,891,932.96
  5. Step 5: Solve for x
    x = 13,891,932.96/4,170.24
  6. Step 6: Final answer
    x = 3,331.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.