Home / 3,538.07-5,306.57-1,286.37

Finding the Fourth Proportional to 3,538.07, 5,306.57 and 1,286.37

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Solution

The fourth proportional to 3,538.07, 5,306.57 and 1,286.37 is: 1,929.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.07 : 5,306.57 = 1,286.37 : x
  2. Step 2: Convert to fraction form
    3,538.07/5,306.57 = 1,286.37/x
  3. Step 3: Cross multiply
    3,538.07x = 5,306.57 × 1,286.37
  4. Step 4: Simplify right side
    3,538.07x = 6,826,206.02
  5. Step 5: Solve for x
    x = 6,826,206.02/3,538.07
  6. Step 6: Final answer
    x = 1,929.36

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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.