Home / 3,195.24-4,786.38-1,653

Finding the Fourth Proportional to 3,195.24, 4,786.38 and 1,653

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Solution

The fourth proportional to 3,195.24, 4,786.38 and 1,653 is: 2,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.24 : 4,786.38 = 1,653 : x
  2. Step 2: Convert to fraction form
    3,195.24/4,786.38 = 1,653/x
  3. Step 3: Cross multiply
    3,195.24x = 4,786.38 × 1,653
  4. Step 4: Simplify right side
    3,195.24x = 7,911,886.14
  5. Step 5: Solve for x
    x = 7,911,886.14/3,195.24
  6. Step 6: Final answer
    x = 2,476.15

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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.