Home / 3,367.16-4,645.37-2,107.70

Finding the Fourth Proportional to 3,367.16, 4,645.37 and 2,107.70

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Solution

The fourth proportional to 3,367.16, 4,645.37 and 2,107.70 is: 2,907.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.16 : 4,645.37 = 2,107.70 : x
  2. Step 2: Convert to fraction form
    3,367.16/4,645.37 = 2,107.70/x
  3. Step 3: Cross multiply
    3,367.16x = 4,645.37 × 2,107.70
  4. Step 4: Simplify right side
    3,367.16x = 9,791,046.35
  5. Step 5: Solve for x
    x = 9,791,046.35/3,367.16
  6. Step 6: Final answer
    x = 2,907.81

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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.