Home / 3,436.12-5,151.35-1,584.87

Finding the Fourth Proportional to 3,436.12, 5,151.35 and 1,584.87

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Solution

The fourth proportional to 3,436.12, 5,151.35 and 1,584.87 is: 2,375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.12 : 5,151.35 = 1,584.87 : x
  2. Step 2: Convert to fraction form
    3,436.12/5,151.35 = 1,584.87/x
  3. Step 3: Cross multiply
    3,436.12x = 5,151.35 × 1,584.87
  4. Step 4: Simplify right side
    3,436.12x = 8,164,195.80
  5. Step 5: Solve for x
    x = 8,164,195.80/3,436.12
  6. Step 6: Final answer
    x = 2,375.99

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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.