Home / 2,563.58-3,843.95-1,638.56

Finding the Fourth Proportional to 2,563.58, 3,843.95 and 1,638.56

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Solution

The fourth proportional to 2,563.58, 3,843.95 and 1,638.56 is: 2,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,563.58 : 3,843.95 = 1,638.56 : x
  2. Step 2: Convert to fraction form
    2,563.58/3,843.95 = 1,638.56/x
  3. Step 3: Cross multiply
    2,563.58x = 3,843.95 × 1,638.56
  4. Step 4: Simplify right side
    2,563.58x = 6,298,544.13
  5. Step 5: Solve for x
    x = 6,298,544.13/2,563.58
  6. Step 6: Final answer
    x = 2,456.93

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1.5x scale

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.