Home / 2,837.33-3,915.42-1,788.38

Finding the Fourth Proportional to 2,837.33, 3,915.42 and 1,788.38

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Solution

The fourth proportional to 2,837.33, 3,915.42 and 1,788.38 is: 2,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.33 : 3,915.42 = 1,788.38 : x
  2. Step 2: Convert to fraction form
    2,837.33/3,915.42 = 1,788.38/x
  3. Step 3: Cross multiply
    2,837.33x = 3,915.42 × 1,788.38
  4. Step 4: Simplify right side
    2,837.33x = 7,002,239.24
  5. Step 5: Solve for x
    x = 7,002,239.24/2,837.33
  6. Step 6: Final answer
    x = 2,467.90

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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.