Home / 5,915.12-8,872.62-1,755.14

Finding the Fourth Proportional to 5,915.12, 8,872.62 and 1,755.14

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Solution

The fourth proportional to 5,915.12, 8,872.62 and 1,755.14 is: 2,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.12 : 8,872.62 = 1,755.14 : x
  2. Step 2: Convert to fraction form
    5,915.12/8,872.62 = 1,755.14/x
  3. Step 3: Cross multiply
    5,915.12x = 8,872.62 × 1,755.14
  4. Step 4: Simplify right side
    5,915.12x = 15,572,690.27
  5. Step 5: Solve for x
    x = 15,572,690.27/5,915.12
  6. Step 6: Final answer
    x = 2,632.69

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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.