Home / 2,770.68-3,823.53-1,591.75

Finding the Fourth Proportional to 2,770.68, 3,823.53 and 1,591.75

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Solution

The fourth proportional to 2,770.68, 3,823.53 and 1,591.75 is: 2,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.68 : 3,823.53 = 1,591.75 : x
  2. Step 2: Convert to fraction form
    2,770.68/3,823.53 = 1,591.75/x
  3. Step 3: Cross multiply
    2,770.68x = 3,823.53 × 1,591.75
  4. Step 4: Simplify right side
    2,770.68x = 6,086,084.76
  5. Step 5: Solve for x
    x = 6,086,084.76/2,770.68
  6. Step 6: Final answer
    x = 2,196.60

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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.