Home / 4,122.91-6,177.16-3,434.01

Finding the Fourth Proportional to 4,122.91, 6,177.16 and 3,434.01

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Solution

The fourth proportional to 4,122.91, 6,177.16 and 3,434.01 is: 5,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.91 : 6,177.16 = 3,434.01 : x
  2. Step 2: Convert to fraction form
    4,122.91/6,177.16 = 3,434.01/x
  3. Step 3: Cross multiply
    4,122.91x = 6,177.16 × 3,434.01
  4. Step 4: Simplify right side
    4,122.91x = 21,212,429.21
  5. Step 5: Solve for x
    x = 21,212,429.21/4,122.91
  6. Step 6: Final answer
    x = 5,145.01

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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.