Home / 5,915.72-8,874.38-2,019.08

Finding the Fourth Proportional to 5,915.72, 8,874.38 and 2,019.08

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Solution

The fourth proportional to 5,915.72, 8,874.38 and 2,019.08 is: 3,028.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.72 : 8,874.38 = 2,019.08 : x
  2. Step 2: Convert to fraction form
    5,915.72/8,874.38 = 2,019.08/x
  3. Step 3: Cross multiply
    5,915.72x = 8,874.38 × 2,019.08
  4. Step 4: Simplify right side
    5,915.72x = 17,918,083.17
  5. Step 5: Solve for x
    x = 17,918,083.17/5,915.72
  6. Step 6: Final answer
    x = 3,028.89

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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.