Home / 3,105.66-4,636.36-2,697.98

Finding the Fourth Proportional to 3,105.66, 4,636.36 and 2,697.98

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Solution

The fourth proportional to 3,105.66, 4,636.36 and 2,697.98 is: 4,027.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.66 : 4,636.36 = 2,697.98 : x
  2. Step 2: Convert to fraction form
    3,105.66/4,636.36 = 2,697.98/x
  3. Step 3: Cross multiply
    3,105.66x = 4,636.36 × 2,697.98
  4. Step 4: Simplify right side
    3,105.66x = 12,508,793.06
  5. Step 5: Solve for x
    x = 12,508,793.06/3,105.66
  6. Step 6: Final answer
    x = 4,027.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.