Home / 3,168.70-4,743.45-2,823.10

Finding the Fourth Proportional to 3,168.70, 4,743.45 and 2,823.10

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Solution

The fourth proportional to 3,168.70, 4,743.45 and 2,823.10 is: 4,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.70 : 4,743.45 = 2,823.10 : x
  2. Step 2: Convert to fraction form
    3,168.70/4,743.45 = 2,823.10/x
  3. Step 3: Cross multiply
    3,168.70x = 4,743.45 × 2,823.10
  4. Step 4: Simplify right side
    3,168.70x = 13,391,233.70
  5. Step 5: Solve for x
    x = 13,391,233.70/3,168.70
  6. Step 6: Final answer
    x = 4,226.10

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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.