Home / 3,286.32-4,534.68-1,889.16

Finding the Fourth Proportional to 3,286.32, 4,534.68 and 1,889.16

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Solution

The fourth proportional to 3,286.32, 4,534.68 and 1,889.16 is: 2,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.32 : 4,534.68 = 1,889.16 : x
  2. Step 2: Convert to fraction form
    3,286.32/4,534.68 = 1,889.16/x
  3. Step 3: Cross multiply
    3,286.32x = 4,534.68 × 1,889.16
  4. Step 4: Simplify right side
    3,286.32x = 8,566,736.07
  5. Step 5: Solve for x
    x = 8,566,736.07/3,286.32
  6. Step 6: Final answer
    x = 2,606.79

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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.