Home / 7,845.20-11,769.41-2,298.72

Finding the Fourth Proportional to 7,845.20, 11,769.41 and 2,298.72

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Solution

The fourth proportional to 7,845.20, 11,769.41 and 2,298.72 is: 3,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.20 : 11,769.41 = 2,298.72 : x
  2. Step 2: Convert to fraction form
    7,845.20/11,769.41 = 2,298.72/x
  3. Step 3: Cross multiply
    7,845.20x = 11,769.41 × 2,298.72
  4. Step 4: Simplify right side
    7,845.20x = 27,054,583.90
  5. Step 5: Solve for x
    x = 27,054,583.90/7,845.20
  6. Step 6: Final answer
    x = 3,448.55

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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.