Home / 2,859.16-4,286.56-2,037.28

Finding the Fourth Proportional to 2,859.16, 4,286.56 and 2,037.28

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Solution

The fourth proportional to 2,859.16, 4,286.56 and 2,037.28 is: 3,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.16 : 4,286.56 = 2,037.28 : x
  2. Step 2: Convert to fraction form
    2,859.16/4,286.56 = 2,037.28/x
  3. Step 3: Cross multiply
    2,859.16x = 4,286.56 × 2,037.28
  4. Step 4: Simplify right side
    2,859.16x = 8,732,922.96
  5. Step 5: Solve for x
    x = 8,732,922.96/2,859.16
  6. Step 6: Final answer
    x = 3,054.37

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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.