Home / 4,725.53-7,091.69-3,812.12

Finding the Fourth Proportional to 4,725.53, 7,091.69 and 3,812.12

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Solution

The fourth proportional to 4,725.53, 7,091.69 and 3,812.12 is: 5,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.53 : 7,091.69 = 3,812.12 : x
  2. Step 2: Convert to fraction form
    4,725.53/7,091.69 = 3,812.12/x
  3. Step 3: Cross multiply
    4,725.53x = 7,091.69 × 3,812.12
  4. Step 4: Simplify right side
    4,725.53x = 27,034,318.76
  5. Step 5: Solve for x
    x = 27,034,318.76/4,725.53
  6. Step 6: Final answer
    x = 5,720.91

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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.