Home / 3,520.59-4,858.41-2,028.57

Finding the Fourth Proportional to 3,520.59, 4,858.41 and 2,028.57

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Solution

The fourth proportional to 3,520.59, 4,858.41 and 2,028.57 is: 2,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.59 : 4,858.41 = 2,028.57 : x
  2. Step 2: Convert to fraction form
    3,520.59/4,858.41 = 2,028.57/x
  3. Step 3: Cross multiply
    3,520.59x = 4,858.41 × 2,028.57
  4. Step 4: Simplify right side
    3,520.59x = 9,855,624.77
  5. Step 5: Solve for x
    x = 9,855,624.77/3,520.59
  6. Step 6: Final answer
    x = 2,799.42

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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.