Home / 5,252.58-7,245.45-3,687.66

Finding the Fourth Proportional to 5,252.58, 7,245.45 and 3,687.66

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Solution

The fourth proportional to 5,252.58, 7,245.45 and 3,687.66 is: 5,086.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.58 : 7,245.45 = 3,687.66 : x
  2. Step 2: Convert to fraction form
    5,252.58/7,245.45 = 3,687.66/x
  3. Step 3: Cross multiply
    5,252.58x = 7,245.45 × 3,687.66
  4. Step 4: Simplify right side
    5,252.58x = 26,718,756.15
  5. Step 5: Solve for x
    x = 26,718,756.15/5,252.58
  6. Step 6: Final answer
    x = 5,086.79

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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.