Home / 4,040.53-5,575.91-2,272.15

Finding the Fourth Proportional to 4,040.53, 5,575.91 and 2,272.15

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Solution

The fourth proportional to 4,040.53, 5,575.91 and 2,272.15 is: 3,135.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.53 : 5,575.91 = 2,272.15 : x
  2. Step 2: Convert to fraction form
    4,040.53/5,575.91 = 2,272.15/x
  3. Step 3: Cross multiply
    4,040.53x = 5,575.91 × 2,272.15
  4. Step 4: Simplify right side
    4,040.53x = 12,669,292.55
  5. Step 5: Solve for x
    x = 12,669,292.55/4,040.53
  6. Step 6: Final answer
    x = 3,135.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.