Home / 4,101.72-6,134.28-3,642.48

Finding the Fourth Proportional to 4,101.72, 6,134.28 and 3,642.48

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Solution

The fourth proportional to 4,101.72, 6,134.28 and 3,642.48 is: 5,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.72 : 6,134.28 = 3,642.48 : x
  2. Step 2: Convert to fraction form
    4,101.72/6,134.28 = 3,642.48/x
  3. Step 3: Cross multiply
    4,101.72x = 6,134.28 × 3,642.48
  4. Step 4: Simplify right side
    4,101.72x = 22,343,992.21
  5. Step 5: Solve for x
    x = 22,343,992.21/4,101.72
  6. Step 6: Final answer
    x = 5,447.47

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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.