Home / 10,571.80-15,858.52-3,175.68

Finding the Fourth Proportional to 10,571.80, 15,858.52 and 3,175.68

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Solution

The fourth proportional to 10,571.80, 15,858.52 and 3,175.68 is: 4,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571.80 : 15,858.52 = 3,175.68 : x
  2. Step 2: Convert to fraction form
    10,571.80/15,858.52 = 3,175.68/x
  3. Step 3: Cross multiply
    10,571.80x = 15,858.52 × 3,175.68
  4. Step 4: Simplify right side
    10,571.80x = 50,361,584.79
  5. Step 5: Solve for x
    x = 50,361,584.79/10,571.80
  6. Step 6: Final answer
    x = 4,763.77

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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.