Home / 4,251.72-6,373.18-3,078.79

Finding the Fourth Proportional to 4,251.72, 6,373.18 and 3,078.79

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Solution

The fourth proportional to 4,251.72, 6,373.18 and 3,078.79 is: 4,615.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.72 : 6,373.18 = 3,078.79 : x
  2. Step 2: Convert to fraction form
    4,251.72/6,373.18 = 3,078.79/x
  3. Step 3: Cross multiply
    4,251.72x = 6,373.18 × 3,078.79
  4. Step 4: Simplify right side
    4,251.72x = 19,621,706.62
  5. Step 5: Solve for x
    x = 19,621,706.62/4,251.72
  6. Step 6: Final answer
    x = 4,615.00

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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.