Home / 7,180.53-9,907.68-4,195.79

Finding the Fourth Proportional to 7,180.53, 9,907.68 and 4,195.79

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Solution

The fourth proportional to 7,180.53, 9,907.68 and 4,195.79 is: 5,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.53 : 9,907.68 = 4,195.79 : x
  2. Step 2: Convert to fraction form
    7,180.53/9,907.68 = 4,195.79/x
  3. Step 3: Cross multiply
    7,180.53x = 9,907.68 × 4,195.79
  4. Step 4: Simplify right side
    7,180.53x = 41,570,544.67
  5. Step 5: Solve for x
    x = 41,570,544.67/7,180.53
  6. Step 6: Final answer
    x = 5,789.34

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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.