Home / 5,204.42-7,182.24-3,109.76

Finding the Fourth Proportional to 5,204.42, 7,182.24 and 3,109.76

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Solution

The fourth proportional to 5,204.42, 7,182.24 and 3,109.76 is: 4,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.42 : 7,182.24 = 3,109.76 : x
  2. Step 2: Convert to fraction form
    5,204.42/7,182.24 = 3,109.76/x
  3. Step 3: Cross multiply
    5,204.42x = 7,182.24 × 3,109.76
  4. Step 4: Simplify right side
    5,204.42x = 22,335,042.66
  5. Step 5: Solve for x
    x = 22,335,042.66/5,204.42
  6. Step 6: Final answer
    x = 4,291.55

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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.