Home / 5,299.01-7,949.35-1,600.78

Finding the Fourth Proportional to 5,299.01, 7,949.35 and 1,600.78

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Solution

The fourth proportional to 5,299.01, 7,949.35 and 1,600.78 is: 2,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.01 : 7,949.35 = 1,600.78 : x
  2. Step 2: Convert to fraction form
    5,299.01/7,949.35 = 1,600.78/x
  3. Step 3: Cross multiply
    5,299.01x = 7,949.35 × 1,600.78
  4. Step 4: Simplify right side
    5,299.01x = 12,725,160.49
  5. Step 5: Solve for x
    x = 12,725,160.49/5,299.01
  6. Step 6: Final answer
    x = 2,401.42

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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.