Home / 4,102.11-6,155.73-1,636.56

Finding the Fourth Proportional to 4,102.11, 6,155.73 and 1,636.56

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Solution

The fourth proportional to 4,102.11, 6,155.73 and 1,636.56 is: 2,455.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.11 : 6,155.73 = 1,636.56 : x
  2. Step 2: Convert to fraction form
    4,102.11/6,155.73 = 1,636.56/x
  3. Step 3: Cross multiply
    4,102.11x = 6,155.73 × 1,636.56
  4. Step 4: Simplify right side
    4,102.11x = 10,074,221.49
  5. Step 5: Solve for x
    x = 10,074,221.49/4,102.11
  6. Step 6: Final answer
    x = 2,455.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.