Home / 7,179.29-9,907.33-4,195.58

Finding the Fourth Proportional to 7,179.29, 9,907.33 and 4,195.58

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Solution

The fourth proportional to 7,179.29, 9,907.33 and 4,195.58 is: 5,789.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.29 : 9,907.33 = 4,195.58 : x
  2. Step 2: Convert to fraction form
    7,179.29/9,907.33 = 4,195.58/x
  3. Step 3: Cross multiply
    7,179.29x = 9,907.33 × 4,195.58
  4. Step 4: Simplify right side
    7,179.29x = 41,566,995.60
  5. Step 5: Solve for x
    x = 41,566,995.60/7,179.29
  6. Step 6: Final answer
    x = 5,789.85

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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.