Home / 4,017.76-5,540.88-3,317.92

Finding the Fourth Proportional to 4,017.76, 5,540.88 and 3,317.92

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Solution

The fourth proportional to 4,017.76, 5,540.88 and 3,317.92 is: 4,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.76 : 5,540.88 = 3,317.92 : x
  2. Step 2: Convert to fraction form
    4,017.76/5,540.88 = 3,317.92/x
  3. Step 3: Cross multiply
    4,017.76x = 5,540.88 × 3,317.92
  4. Step 4: Simplify right side
    4,017.76x = 18,384,196.57
  5. Step 5: Solve for x
    x = 18,384,196.57/4,017.76
  6. Step 6: Final answer
    x = 4,575.73

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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.