Home / 7,725.60-11,591.78-3,049.02

Finding the Fourth Proportional to 7,725.60, 11,591.78 and 3,049.02

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Solution

The fourth proportional to 7,725.60, 11,591.78 and 3,049.02 is: 4,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.60 : 11,591.78 = 3,049.02 : x
  2. Step 2: Convert to fraction form
    7,725.60/11,591.78 = 3,049.02/x
  3. Step 3: Cross multiply
    7,725.60x = 11,591.78 × 3,049.02
  4. Step 4: Simplify right side
    7,725.60x = 35,343,553.81
  5. Step 5: Solve for x
    x = 35,343,553.81/7,725.60
  6. Step 6: Final answer
    x = 4,574.86

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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.