Home / 5,076.10-7,006.37-2,981.62

Finding the Fourth Proportional to 5,076.10, 7,006.37 and 2,981.62

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Solution

The fourth proportional to 5,076.10, 7,006.37 and 2,981.62 is: 4,115.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.10 : 7,006.37 = 2,981.62 : x
  2. Step 2: Convert to fraction form
    5,076.10/7,006.37 = 2,981.62/x
  3. Step 3: Cross multiply
    5,076.10x = 7,006.37 × 2,981.62
  4. Step 4: Simplify right side
    5,076.10x = 20,890,332.92
  5. Step 5: Solve for x
    x = 20,890,332.92/5,076.10
  6. Step 6: Final answer
    x = 4,115.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.