Home / 7,540.80-11,305.44-2,927.04

Finding the Fourth Proportional to 7,540.80, 11,305.44 and 2,927.04

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Solution

The fourth proportional to 7,540.80, 11,305.44 and 2,927.04 is: 4,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.80 : 11,305.44 = 2,927.04 : x
  2. Step 2: Convert to fraction form
    7,540.80/11,305.44 = 2,927.04/x
  3. Step 3: Cross multiply
    7,540.80x = 11,305.44 × 2,927.04
  4. Step 4: Simplify right side
    7,540.80x = 33,091,475.10
  5. Step 5: Solve for x
    x = 33,091,475.10/7,540.80
  6. Step 6: Final answer
    x = 4,388.32

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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.