Home / 3,101.87-4,280.27-1,757.54

Finding the Fourth Proportional to 3,101.87, 4,280.27 and 1,757.54

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Solution

The fourth proportional to 3,101.87, 4,280.27 and 1,757.54 is: 2,425.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.87 : 4,280.27 = 1,757.54 : x
  2. Step 2: Convert to fraction form
    3,101.87/4,280.27 = 1,757.54/x
  3. Step 3: Cross multiply
    3,101.87x = 4,280.27 × 1,757.54
  4. Step 4: Simplify right side
    3,101.87x = 7,522,747.65
  5. Step 5: Solve for x
    x = 7,522,747.65/3,101.87
  6. Step 6: Final answer
    x = 2,425.23

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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.