Home / 4,122.14-6,173.18-2,141.54

Finding the Fourth Proportional to 4,122.14, 6,173.18 and 2,141.54

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Solution

The fourth proportional to 4,122.14, 6,173.18 and 2,141.54 is: 3,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.14 : 6,173.18 = 2,141.54 : x
  2. Step 2: Convert to fraction form
    4,122.14/6,173.18 = 2,141.54/x
  3. Step 3: Cross multiply
    4,122.14x = 6,173.18 × 2,141.54
  4. Step 4: Simplify right side
    4,122.14x = 13,220,086.39
  5. Step 5: Solve for x
    x = 13,220,086.39/4,122.14
  6. Step 6: Final answer
    x = 3,207.10

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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.