Home / 6,212.31-9,319.38-2,052.75

Finding the Fourth Proportional to 6,212.31, 9,319.38 and 2,052.75

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Solution

The fourth proportional to 6,212.31, 9,319.38 and 2,052.75 is: 3,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,212.31 : 9,319.38 = 2,052.75 : x
  2. Step 2: Convert to fraction form
    6,212.31/9,319.38 = 2,052.75/x
  3. Step 3: Cross multiply
    6,212.31x = 9,319.38 × 2,052.75
  4. Step 4: Simplify right side
    6,212.31x = 19,130,357.30
  5. Step 5: Solve for x
    x = 19,130,357.30/6,212.31
  6. Step 6: Final answer
    x = 3,079.43

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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.