Home / 4,180.50-5,769.21-2,317.62

Finding the Fourth Proportional to 4,180.50, 5,769.21 and 2,317.62

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Solution

The fourth proportional to 4,180.50, 5,769.21 and 2,317.62 is: 3,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.50 : 5,769.21 = 2,317.62 : x
  2. Step 2: Convert to fraction form
    4,180.50/5,769.21 = 2,317.62/x
  3. Step 3: Cross multiply
    4,180.50x = 5,769.21 × 2,317.62
  4. Step 4: Simplify right side
    4,180.50x = 13,370,836.48
  5. Step 5: Solve for x
    x = 13,370,836.48/4,180.50
  6. Step 6: Final answer
    x = 3,198.38

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1.5x scale

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.