Home / 7,052.45-9,732.69-3,908.43

Finding the Fourth Proportional to 7,052.45, 9,732.69 and 3,908.43

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Solution

The fourth proportional to 7,052.45, 9,732.69 and 3,908.43 is: 5,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,052.45 : 9,732.69 = 3,908.43 : x
  2. Step 2: Convert to fraction form
    7,052.45/9,732.69 = 3,908.43/x
  3. Step 3: Cross multiply
    7,052.45x = 9,732.69 × 3,908.43
  4. Step 4: Simplify right side
    7,052.45x = 38,039,537.58
  5. Step 5: Solve for x
    x = 38,039,537.58/7,052.45
  6. Step 6: Final answer
    x = 5,393.81

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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.