Home / 5,275.44-7,915.91-3,826.55

Finding the Fourth Proportional to 5,275.44, 7,915.91 and 3,826.55

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Solution

The fourth proportional to 5,275.44, 7,915.91 and 3,826.55 is: 5,741.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.44 : 7,915.91 = 3,826.55 : x
  2. Step 2: Convert to fraction form
    5,275.44/7,915.91 = 3,826.55/x
  3. Step 3: Cross multiply
    5,275.44x = 7,915.91 × 3,826.55
  4. Step 4: Simplify right side
    5,275.44x = 30,290,596.38
  5. Step 5: Solve for x
    x = 30,290,596.38/5,275.44
  6. Step 6: Final answer
    x = 5,741.82

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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.