Home / 4,123.91-6,187.83-3,579.90

Finding the Fourth Proportional to 4,123.91, 6,187.83 and 3,579.90

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Solution

The fourth proportional to 4,123.91, 6,187.83 and 3,579.90 is: 5,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.91 : 6,187.83 = 3,579.90 : x
  2. Step 2: Convert to fraction form
    4,123.91/6,187.83 = 3,579.90/x
  3. Step 3: Cross multiply
    4,123.91x = 6,187.83 × 3,579.90
  4. Step 4: Simplify right side
    4,123.91x = 22,151,775.99
  5. Step 5: Solve for x
    x = 22,151,775.99/4,123.91
  6. Step 6: Final answer
    x = 5,371.54

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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.