Home / 4,040.42-5,575.91-2,272.05

Finding the Fourth Proportional to 4,040.42, 5,575.91 and 2,272.05

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Solution

The fourth proportional to 4,040.42, 5,575.91 and 2,272.05 is: 3,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.42 : 5,575.91 = 2,272.05 : x
  2. Step 2: Convert to fraction form
    4,040.42/5,575.91 = 2,272.05/x
  3. Step 3: Cross multiply
    4,040.42x = 5,575.91 × 2,272.05
  4. Step 4: Simplify right side
    4,040.42x = 12,668,734.96
  5. Step 5: Solve for x
    x = 12,668,734.96/4,040.42
  6. Step 6: Final answer
    x = 3,135.50

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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.