Home / 6,938.70-10,403.73-2,992.44

Finding the Fourth Proportional to 6,938.70, 10,403.73 and 2,992.44

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Solution

The fourth proportional to 6,938.70, 10,403.73 and 2,992.44 is: 4,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.70 : 10,403.73 = 2,992.44 : x
  2. Step 2: Convert to fraction form
    6,938.70/10,403.73 = 2,992.44/x
  3. Step 3: Cross multiply
    6,938.70x = 10,403.73 × 2,992.44
  4. Step 4: Simplify right side
    6,938.70x = 31,132,537.80
  5. Step 5: Solve for x
    x = 31,132,537.80/6,938.70
  6. Step 6: Final answer
    x = 4,486.80

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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.