Home / 5,388.09-7,433.06-3,150.06

Finding the Fourth Proportional to 5,388.09, 7,433.06 and 3,150.06

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Solution

The fourth proportional to 5,388.09, 7,433.06 and 3,150.06 is: 4,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.09 : 7,433.06 = 3,150.06 : x
  2. Step 2: Convert to fraction form
    5,388.09/7,433.06 = 3,150.06/x
  3. Step 3: Cross multiply
    5,388.09x = 7,433.06 × 3,150.06
  4. Step 4: Simplify right side
    5,388.09x = 23,414,584.98
  5. Step 5: Solve for x
    x = 23,414,584.98/5,388.09
  6. Step 6: Final answer
    x = 4,345.62

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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.