Home / 5,722.53-7,897.85-3,204.78

Finding the Fourth Proportional to 5,722.53, 7,897.85 and 3,204.78

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Solution

The fourth proportional to 5,722.53, 7,897.85 and 3,204.78 is: 4,423.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.53 : 7,897.85 = 3,204.78 : x
  2. Step 2: Convert to fraction form
    5,722.53/7,897.85 = 3,204.78/x
  3. Step 3: Cross multiply
    5,722.53x = 7,897.85 × 3,204.78
  4. Step 4: Simplify right side
    5,722.53x = 25,310,816.21
  5. Step 5: Solve for x
    x = 25,310,816.21/5,722.53
  6. Step 6: Final answer
    x = 4,423.02

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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.