Home / 4,124.76-5,691.96-2,261.76

Finding the Fourth Proportional to 4,124.76, 5,691.96 and 2,261.76

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Solution

The fourth proportional to 4,124.76, 5,691.96 and 2,261.76 is: 3,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.76 : 5,691.96 = 2,261.76 : x
  2. Step 2: Convert to fraction form
    4,124.76/5,691.96 = 2,261.76/x
  3. Step 3: Cross multiply
    4,124.76x = 5,691.96 × 2,261.76
  4. Step 4: Simplify right side
    4,124.76x = 12,873,847.45
  5. Step 5: Solve for x
    x = 12,873,847.45/4,124.76
  6. Step 6: Final answer
    x = 3,121.11

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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.