Home / 5,915.46-8,874.12-2,217.18

Finding the Fourth Proportional to 5,915.46, 8,874.12 and 2,217.18

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Solution

The fourth proportional to 5,915.46, 8,874.12 and 2,217.18 is: 3,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.46 : 8,874.12 = 2,217.18 : x
  2. Step 2: Convert to fraction form
    5,915.46/8,874.12 = 2,217.18/x
  3. Step 3: Cross multiply
    5,915.46x = 8,874.12 × 2,217.18
  4. Step 4: Simplify right side
    5,915.46x = 19,675,521.38
  5. Step 5: Solve for x
    x = 19,675,521.38/5,915.46
  6. Step 6: Final answer
    x = 3,326.12

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1.5x scale

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.