Home / 3,513.54-4,848.66-2,021.43

Finding the Fourth Proportional to 3,513.54, 4,848.66 and 2,021.43

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Solution

The fourth proportional to 3,513.54, 4,848.66 and 2,021.43 is: 2,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.54 : 4,848.66 = 2,021.43 : x
  2. Step 2: Convert to fraction form
    3,513.54/4,848.66 = 2,021.43/x
  3. Step 3: Cross multiply
    3,513.54x = 4,848.66 × 2,021.43
  4. Step 4: Simplify right side
    3,513.54x = 9,801,226.78
  5. Step 5: Solve for x
    x = 9,801,226.78/3,513.54
  6. Step 6: Final answer
    x = 2,789.56

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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.