Home / 3,096.25-4,272.90-1,699

Finding the Fourth Proportional to 3,096.25, 4,272.90 and 1,699

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Solution

The fourth proportional to 3,096.25, 4,272.90 and 1,699 is: 2,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.25 : 4,272.90 = 1,699 : x
  2. Step 2: Convert to fraction form
    3,096.25/4,272.90 = 1,699/x
  3. Step 3: Cross multiply
    3,096.25x = 4,272.90 × 1,699
  4. Step 4: Simplify right side
    3,096.25x = 7,259,657.10
  5. Step 5: Solve for x
    x = 7,259,657.10/3,096.25
  6. Step 6: Final answer
    x = 2,344.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.