Home / 5,521.93-7,620.57-3,164.44

Finding the Fourth Proportional to 5,521.93, 7,620.57 and 3,164.44

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Solution

The fourth proportional to 5,521.93, 7,620.57 and 3,164.44 is: 4,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.93 : 7,620.57 = 3,164.44 : x
  2. Step 2: Convert to fraction form
    5,521.93/7,620.57 = 3,164.44/x
  3. Step 3: Cross multiply
    5,521.93x = 7,620.57 × 3,164.44
  4. Step 4: Simplify right side
    5,521.93x = 24,114,836.53
  5. Step 5: Solve for x
    x = 24,114,836.53/5,521.93
  6. Step 6: Final answer
    x = 4,367.10

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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.