Home / 2,343.15-3,515.19-699.66

Finding the Fourth Proportional to 2,343.15, 3,515.19 and 699.66

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Solution

The fourth proportional to 2,343.15, 3,515.19 and 699.66 is: 1,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.15 : 3,515.19 = 699.66 : x
  2. Step 2: Convert to fraction form
    2,343.15/3,515.19 = 699.66/x
  3. Step 3: Cross multiply
    2,343.15x = 3,515.19 × 699.66
  4. Step 4: Simplify right side
    2,343.15x = 2,459,435.21
  5. Step 5: Solve for x
    x = 2,459,435.21/2,343.15
  6. Step 6: Final answer
    x = 1,049.63

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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.