Home / 6,870.44-9,481.14-3,726.56

Finding the Fourth Proportional to 6,870.44, 9,481.14 and 3,726.56

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Solution

The fourth proportional to 6,870.44, 9,481.14 and 3,726.56 is: 5,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.44 : 9,481.14 = 3,726.56 : x
  2. Step 2: Convert to fraction form
    6,870.44/9,481.14 = 3,726.56/x
  3. Step 3: Cross multiply
    6,870.44x = 9,481.14 × 3,726.56
  4. Step 4: Simplify right side
    6,870.44x = 35,332,037.08
  5. Step 5: Solve for x
    x = 35,332,037.08/6,870.44
  6. Step 6: Final answer
    x = 5,142.62

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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.