Home / 7,154.73-10,730.00-2,771.15

Finding the Fourth Proportional to 7,154.73, 10,730.00 and 2,771.15

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Solution

The fourth proportional to 7,154.73, 10,730.00 and 2,771.15 is: 4,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154.73 : 10,730.00 = 2,771.15 : x
  2. Step 2: Convert to fraction form
    7,154.73/10,730.00 = 2,771.15/x
  3. Step 3: Cross multiply
    7,154.73x = 10,730.00 × 2,771.15
  4. Step 4: Simplify right side
    7,154.73x = 29,734,392.78
  5. Step 5: Solve for x
    x = 29,734,392.78/7,154.73
  6. Step 6: Final answer
    x = 4,155.91

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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.