Home / 5,371.62-7,412.58-3,247.68

Finding the Fourth Proportional to 5,371.62, 7,412.58 and 3,247.68

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Solution

The fourth proportional to 5,371.62, 7,412.58 and 3,247.68 is: 4,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.62 : 7,412.58 = 3,247.68 : x
  2. Step 2: Convert to fraction form
    5,371.62/7,412.58 = 3,247.68/x
  3. Step 3: Cross multiply
    5,371.62x = 7,412.58 × 3,247.68
  4. Step 4: Simplify right side
    5,371.62x = 24,073,687.81
  5. Step 5: Solve for x
    x = 24,073,687.81/5,371.62
  6. Step 6: Final answer
    x = 4,481.64

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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.