Home / 7,823.74-11,735.60-1,900.59

Finding the Fourth Proportional to 7,823.74, 11,735.60 and 1,900.59

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Solution

The fourth proportional to 7,823.74, 11,735.60 and 1,900.59 is: 2,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.74 : 11,735.60 = 1,900.59 : x
  2. Step 2: Convert to fraction form
    7,823.74/11,735.60 = 1,900.59/x
  3. Step 3: Cross multiply
    7,823.74x = 11,735.60 × 1,900.59
  4. Step 4: Simplify right side
    7,823.74x = 22,304,505.33
  5. Step 5: Solve for x
    x = 22,304,505.33/7,823.74
  6. Step 6: Final answer
    x = 2,850.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.