Home / 7,955.24-11,932.89-2,690.28

Finding the Fourth Proportional to 7,955.24, 11,932.89 and 2,690.28

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Solution

The fourth proportional to 7,955.24, 11,932.89 and 2,690.28 is: 4,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.24 : 11,932.89 = 2,690.28 : x
  2. Step 2: Convert to fraction form
    7,955.24/11,932.89 = 2,690.28/x
  3. Step 3: Cross multiply
    7,955.24x = 11,932.89 × 2,690.28
  4. Step 4: Simplify right side
    7,955.24x = 32,102,803.02
  5. Step 5: Solve for x
    x = 32,102,803.02/7,955.24
  6. Step 6: Final answer
    x = 4,035.43

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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.