Home / 3,830.19-5,285.82-2,236.59

Finding the Fourth Proportional to 3,830.19, 5,285.82 and 2,236.59

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Solution

The fourth proportional to 3,830.19, 5,285.82 and 2,236.59 is: 3,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830.19 : 5,285.82 = 2,236.59 : x
  2. Step 2: Convert to fraction form
    3,830.19/5,285.82 = 2,236.59/x
  3. Step 3: Cross multiply
    3,830.19x = 5,285.82 × 2,236.59
  4. Step 4: Simplify right side
    3,830.19x = 11,822,212.15
  5. Step 5: Solve for x
    x = 11,822,212.15/3,830.19
  6. Step 6: Final answer
    x = 3,086.59

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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.