Home / 5,915.07-8,872.20-2,019.38

Finding the Fourth Proportional to 5,915.07, 8,872.20 and 2,019.38

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Solution

The fourth proportional to 5,915.07, 8,872.20 and 2,019.38 is: 3,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.07 : 8,872.20 = 2,019.38 : x
  2. Step 2: Convert to fraction form
    5,915.07/8,872.20 = 2,019.38/x
  3. Step 3: Cross multiply
    5,915.07x = 8,872.20 × 2,019.38
  4. Step 4: Simplify right side
    5,915.07x = 17,916,298.88
  5. Step 5: Solve for x
    x = 17,916,298.88/5,915.07
  6. Step 6: Final answer
    x = 3,028.92

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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.