Home / 7,322.70-10,105.35-3,965.56

Finding the Fourth Proportional to 7,322.70, 10,105.35 and 3,965.56

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Solution

The fourth proportional to 7,322.70, 10,105.35 and 3,965.56 is: 5,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.70 : 10,105.35 = 3,965.56 : x
  2. Step 2: Convert to fraction form
    7,322.70/10,105.35 = 3,965.56/x
  3. Step 3: Cross multiply
    7,322.70x = 10,105.35 × 3,965.56
  4. Step 4: Simplify right side
    7,322.70x = 40,073,301.39
  5. Step 5: Solve for x
    x = 40,073,301.39/7,322.70
  6. Step 6: Final answer
    x = 5,472.48

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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.