Home / 4,109.05-6,159.97-2,133.58

Finding the Fourth Proportional to 4,109.05, 6,159.97 and 2,133.58

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Solution

The fourth proportional to 4,109.05, 6,159.97 and 2,133.58 is: 3,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.05 : 6,159.97 = 2,133.58 : x
  2. Step 2: Convert to fraction form
    4,109.05/6,159.97 = 2,133.58/x
  3. Step 3: Cross multiply
    4,109.05x = 6,159.97 × 2,133.58
  4. Step 4: Simplify right side
    4,109.05x = 13,142,784.95
  5. Step 5: Solve for x
    x = 13,142,784.95/4,109.05
  6. Step 6: Final answer
    x = 3,198.49

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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.