Home / 7,179.71-10,767.47-2,796.12

Finding the Fourth Proportional to 7,179.71, 10,767.47 and 2,796.12

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Solution

The fourth proportional to 7,179.71, 10,767.47 and 2,796.12 is: 4,193.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.71 : 10,767.47 = 2,796.12 : x
  2. Step 2: Convert to fraction form
    7,179.71/10,767.47 = 2,796.12/x
  3. Step 3: Cross multiply
    7,179.71x = 10,767.47 × 2,796.12
  4. Step 4: Simplify right side
    7,179.71x = 30,107,124.24
  5. Step 5: Solve for x
    x = 30,107,124.24/7,179.71
  6. Step 6: Final answer
    x = 4,193.37

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1.5x scale

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.