Home / 3,513.39-4,847.52-2,021.24

Finding the Fourth Proportional to 3,513.39, 4,847.52 and 2,021.24

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Solution

The fourth proportional to 3,513.39, 4,847.52 and 2,021.24 is: 2,788.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.39 : 4,847.52 = 2,021.24 : x
  2. Step 2: Convert to fraction form
    3,513.39/4,847.52 = 2,021.24/x
  3. Step 3: Cross multiply
    3,513.39x = 4,847.52 × 2,021.24
  4. Step 4: Simplify right side
    3,513.39x = 9,797,977.09
  5. Step 5: Solve for x
    x = 9,797,977.09/3,513.39
  6. Step 6: Final answer
    x = 2,788.75

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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.