Home / 7,333.43-10,120.10-3,976.22

Finding the Fourth Proportional to 7,333.43, 10,120.10 and 3,976.22

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Solution

The fourth proportional to 7,333.43, 10,120.10 and 3,976.22 is: 5,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.43 : 10,120.10 = 3,976.22 : x
  2. Step 2: Convert to fraction form
    7,333.43/10,120.10 = 3,976.22/x
  3. Step 3: Cross multiply
    7,333.43x = 10,120.10 × 3,976.22
  4. Step 4: Simplify right side
    7,333.43x = 40,239,749.44
  5. Step 5: Solve for x
    x = 40,239,749.44/7,333.43
  6. Step 6: Final answer
    x = 5,487.17

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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.