Home / 5,169.44-7,134.40-3,281.60

Finding the Fourth Proportional to 5,169.44, 7,134.40 and 3,281.60

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Solution

The fourth proportional to 5,169.44, 7,134.40 and 3,281.60 is: 4,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.44 : 7,134.40 = 3,281.60 : x
  2. Step 2: Convert to fraction form
    5,169.44/7,134.40 = 3,281.60/x
  3. Step 3: Cross multiply
    5,169.44x = 7,134.40 × 3,281.60
  4. Step 4: Simplify right side
    5,169.44x = 23,412,247.04
  5. Step 5: Solve for x
    x = 23,412,247.04/5,169.44
  6. Step 6: Final answer
    x = 4,528.97

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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.