Home / 2,835.41-3,912.87-1,576.60

Finding the Fourth Proportional to 2,835.41, 3,912.87 and 1,576.60

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Solution

The fourth proportional to 2,835.41, 3,912.87 and 1,576.60 is: 2,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.41 : 3,912.87 = 1,576.60 : x
  2. Step 2: Convert to fraction form
    2,835.41/3,912.87 = 1,576.60/x
  3. Step 3: Cross multiply
    2,835.41x = 3,912.87 × 1,576.60
  4. Step 4: Simplify right side
    2,835.41x = 6,169,026.97
  5. Step 5: Solve for x
    x = 6,169,026.97/2,835.41
  6. Step 6: Final answer
    x = 2,175.71

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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.