Home / 5,406.71-8,101.49-3,063.78

Finding the Fourth Proportional to 5,406.71, 8,101.49 and 3,063.78

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Solution

The fourth proportional to 5,406.71, 8,101.49 and 3,063.78 is: 4,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.71 : 8,101.49 = 3,063.78 : x
  2. Step 2: Convert to fraction form
    5,406.71/8,101.49 = 3,063.78/x
  3. Step 3: Cross multiply
    5,406.71x = 8,101.49 × 3,063.78
  4. Step 4: Simplify right side
    5,406.71x = 24,821,167.71
  5. Step 5: Solve for x
    x = 24,821,167.71/5,406.71
  6. Step 6: Final answer
    x = 4,590.81

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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.