Home / 7,324.50-10,107.81-4,180.62

Finding the Fourth Proportional to 7,324.50, 10,107.81 and 4,180.62

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Solution

The fourth proportional to 7,324.50, 10,107.81 and 4,180.62 is: 5,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.50 : 10,107.81 = 4,180.62 : x
  2. Step 2: Convert to fraction form
    7,324.50/10,107.81 = 4,180.62/x
  3. Step 3: Cross multiply
    7,324.50x = 10,107.81 × 4,180.62
  4. Step 4: Simplify right side
    7,324.50x = 42,256,912.64
  5. Step 5: Solve for x
    x = 42,256,912.64/7,324.50
  6. Step 6: Final answer
    x = 5,769.26

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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.