Home / 4,085.97-5,638.48-2,317.92

Finding the Fourth Proportional to 4,085.97, 5,638.48 and 2,317.92

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Solution

The fourth proportional to 4,085.97, 5,638.48 and 2,317.92 is: 3,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.97 : 5,638.48 = 2,317.92 : x
  2. Step 2: Convert to fraction form
    4,085.97/5,638.48 = 2,317.92/x
  3. Step 3: Cross multiply
    4,085.97x = 5,638.48 × 2,317.92
  4. Step 4: Simplify right side
    4,085.97x = 13,069,545.56
  5. Step 5: Solve for x
    x = 13,069,545.56/4,085.97
  6. Step 6: Final answer
    x = 3,198.64

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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.