Home / 3,286.95-4,535.49-2,028.51

Finding the Fourth Proportional to 3,286.95, 4,535.49 and 2,028.51

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Solution

The fourth proportional to 3,286.95, 4,535.49 and 2,028.51 is: 2,799.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.95 : 4,535.49 = 2,028.51 : x
  2. Step 2: Convert to fraction form
    3,286.95/4,535.49 = 2,028.51/x
  3. Step 3: Cross multiply
    3,286.95x = 4,535.49 × 2,028.51
  4. Step 4: Simplify right side
    3,286.95x = 9,200,294.43
  5. Step 5: Solve for x
    x = 9,200,294.43/3,286.95
  6. Step 6: Final answer
    x = 2,799.04

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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.