Home / 7,481.25-10,321.23-4,293.40

Finding the Fourth Proportional to 7,481.25, 10,321.23 and 4,293.40

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Solution

The fourth proportional to 7,481.25, 10,321.23 and 4,293.40 is: 5,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.25 : 10,321.23 = 4,293.40 : x
  2. Step 2: Convert to fraction form
    7,481.25/10,321.23 = 4,293.40/x
  3. Step 3: Cross multiply
    7,481.25x = 10,321.23 × 4,293.40
  4. Step 4: Simplify right side
    7,481.25x = 44,313,143.08
  5. Step 5: Solve for x
    x = 44,313,143.08/7,481.25
  6. Step 6: Final answer
    x = 5,923.23

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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.