Home / 2,836.77-3,913.65-2,092.49

Finding the Fourth Proportional to 2,836.77, 3,913.65 and 2,092.49

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Solution

The fourth proportional to 2,836.77, 3,913.65 and 2,092.49 is: 2,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.77 : 3,913.65 = 2,092.49 : x
  2. Step 2: Convert to fraction form
    2,836.77/3,913.65 = 2,092.49/x
  3. Step 3: Cross multiply
    2,836.77x = 3,913.65 × 2,092.49
  4. Step 4: Simplify right side
    2,836.77x = 8,189,273.49
  5. Step 5: Solve for x
    x = 8,189,273.49/2,836.77
  6. Step 6: Final answer
    x = 2,886.83

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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.