Home / 7,888.87-11,832.39-2,045.02

Finding the Fourth Proportional to 7,888.87, 11,832.39 and 2,045.02

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Solution

The fourth proportional to 7,888.87, 11,832.39 and 2,045.02 is: 3,067.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.87 : 11,832.39 = 2,045.02 : x
  2. Step 2: Convert to fraction form
    7,888.87/11,832.39 = 2,045.02/x
  3. Step 3: Cross multiply
    7,888.87x = 11,832.39 × 2,045.02
  4. Step 4: Simplify right side
    7,888.87x = 24,197,474.20
  5. Step 5: Solve for x
    x = 24,197,474.20/7,888.87
  6. Step 6: Final answer
    x = 3,067.29

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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.