Home / 4,189.16-5,818.92-4,122.17

Finding the Fourth Proportional to 4,189.16, 5,818.92 and 4,122.17

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Solution

The fourth proportional to 4,189.16, 5,818.92 and 4,122.17 is: 5,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.16 : 5,818.92 = 4,122.17 : x
  2. Step 2: Convert to fraction form
    4,189.16/5,818.92 = 4,122.17/x
  3. Step 3: Cross multiply
    4,189.16x = 5,818.92 × 4,122.17
  4. Step 4: Simplify right side
    4,189.16x = 23,986,548.36
  5. Step 5: Solve for x
    x = 23,986,548.36/4,189.16
  6. Step 6: Final answer
    x = 5,725.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.