Home / 5,578.92-8,360.88-3,922.06

Finding the Fourth Proportional to 5,578.92, 8,360.88 and 3,922.06

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Solution

The fourth proportional to 5,578.92, 8,360.88 and 3,922.06 is: 5,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.92 : 8,360.88 = 3,922.06 : x
  2. Step 2: Convert to fraction form
    5,578.92/8,360.88 = 3,922.06/x
  3. Step 3: Cross multiply
    5,578.92x = 8,360.88 × 3,922.06
  4. Step 4: Simplify right side
    5,578.92x = 32,791,873.01
  5. Step 5: Solve for x
    x = 32,791,873.01/5,578.92
  6. Step 6: Final answer
    x = 5,877.82

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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.