Home / 3,910.59-5,396.67-2,338.38

Finding the Fourth Proportional to 3,910.59, 5,396.67 and 2,338.38

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Solution

The fourth proportional to 3,910.59, 5,396.67 and 2,338.38 is: 3,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.59 : 5,396.67 = 2,338.38 : x
  2. Step 2: Convert to fraction form
    3,910.59/5,396.67 = 2,338.38/x
  3. Step 3: Cross multiply
    3,910.59x = 5,396.67 × 2,338.38
  4. Step 4: Simplify right side
    3,910.59x = 12,619,465.19
  5. Step 5: Solve for x
    x = 12,619,465.19/3,910.59
  6. Step 6: Final answer
    x = 3,227.00

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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.