Home / 4,115.91-5,676.17-3,642.06

Finding the Fourth Proportional to 4,115.91, 5,676.17 and 3,642.06

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Solution

The fourth proportional to 4,115.91, 5,676.17 and 3,642.06 is: 5,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.91 : 5,676.17 = 3,642.06 : x
  2. Step 2: Convert to fraction form
    4,115.91/5,676.17 = 3,642.06/x
  3. Step 3: Cross multiply
    4,115.91x = 5,676.17 × 3,642.06
  4. Step 4: Simplify right side
    4,115.91x = 20,672,933.50
  5. Step 5: Solve for x
    x = 20,672,933.50/4,115.91
  6. Step 6: Final answer
    x = 5,022.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.