Home / 5,077.75-7,616.63-2,001.91

Finding the Fourth Proportional to 5,077.75, 7,616.63 and 2,001.91

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Solution

The fourth proportional to 5,077.75, 7,616.63 and 2,001.91 is: 3,002.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.75 : 7,616.63 = 2,001.91 : x
  2. Step 2: Convert to fraction form
    5,077.75/7,616.63 = 2,001.91/x
  3. Step 3: Cross multiply
    5,077.75x = 7,616.63 × 2,001.91
  4. Step 4: Simplify right side
    5,077.75x = 15,247,807.76
  5. Step 5: Solve for x
    x = 15,247,807.76/5,077.75
  6. Step 6: Final answer
    x = 3,002.87

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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.