Home / 3,955.70-5,933.96-1,322.49

Finding the Fourth Proportional to 3,955.70, 5,933.96 and 1,322.49

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Solution

The fourth proportional to 3,955.70, 5,933.96 and 1,322.49 is: 1,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.70 : 5,933.96 = 1,322.49 : x
  2. Step 2: Convert to fraction form
    3,955.70/5,933.96 = 1,322.49/x
  3. Step 3: Cross multiply
    3,955.70x = 5,933.96 × 1,322.49
  4. Step 4: Simplify right side
    3,955.70x = 7,847,623.36
  5. Step 5: Solve for x
    x = 7,847,623.36/3,955.70
  6. Step 6: Final answer
    x = 1,983.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.