Home / 2,698.32-4,043.28-2,047.08

Finding the Fourth Proportional to 2,698.32, 4,043.28 and 2,047.08

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Solution

The fourth proportional to 2,698.32, 4,043.28 and 2,047.08 is: 3,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.32 : 4,043.28 = 2,047.08 : x
  2. Step 2: Convert to fraction form
    2,698.32/4,043.28 = 2,047.08/x
  3. Step 3: Cross multiply
    2,698.32x = 4,043.28 × 2,047.08
  4. Step 4: Simplify right side
    2,698.32x = 8,276,917.62
  5. Step 5: Solve for x
    x = 8,276,917.62/2,698.32
  6. Step 6: Final answer
    x = 3,067.43

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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.