Home / 3,372.56-5,059.75-1,912.74

Finding the Fourth Proportional to 3,372.56, 5,059.75 and 1,912.74

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Solution

The fourth proportional to 3,372.56, 5,059.75 and 1,912.74 is: 2,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.56 : 5,059.75 = 1,912.74 : x
  2. Step 2: Convert to fraction form
    3,372.56/5,059.75 = 1,912.74/x
  3. Step 3: Cross multiply
    3,372.56x = 5,059.75 × 1,912.74
  4. Step 4: Simplify right side
    3,372.56x = 9,677,986.22
  5. Step 5: Solve for x
    x = 9,677,986.22/3,372.56
  6. Step 6: Final answer
    x = 2,869.63

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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.