Home / 7,371.98-11,056.89-2,690.90

Finding the Fourth Proportional to 7,371.98, 11,056.89 and 2,690.90

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Solution

The fourth proportional to 7,371.98, 11,056.89 and 2,690.90 is: 4,035.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.98 : 11,056.89 = 2,690.90 : x
  2. Step 2: Convert to fraction form
    7,371.98/11,056.89 = 2,690.90/x
  3. Step 3: Cross multiply
    7,371.98x = 11,056.89 × 2,690.90
  4. Step 4: Simplify right side
    7,371.98x = 29,752,985.30
  5. Step 5: Solve for x
    x = 29,752,985.30/7,371.98
  6. Step 6: Final answer
    x = 4,035.96

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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.