Home / 2,770.62-3,823.82-1,591.69

Finding the Fourth Proportional to 2,770.62, 3,823.82 and 1,591.69

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Solution

The fourth proportional to 2,770.62, 3,823.82 and 1,591.69 is: 2,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.62 : 3,823.82 = 1,591.69 : x
  2. Step 2: Convert to fraction form
    2,770.62/3,823.82 = 1,591.69/x
  3. Step 3: Cross multiply
    2,770.62x = 3,823.82 × 1,591.69
  4. Step 4: Simplify right side
    2,770.62x = 6,086,336.06
  5. Step 5: Solve for x
    x = 6,086,336.06/2,770.62
  6. Step 6: Final answer
    x = 2,196.74

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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.