Home / 4,086.07-5,638.74-2,317.69

Finding the Fourth Proportional to 4,086.07, 5,638.74 and 2,317.69

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Solution

The fourth proportional to 4,086.07, 5,638.74 and 2,317.69 is: 3,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.07 : 5,638.74 = 2,317.69 : x
  2. Step 2: Convert to fraction form
    4,086.07/5,638.74 = 2,317.69/x
  3. Step 3: Cross multiply
    4,086.07x = 5,638.74 × 2,317.69
  4. Step 4: Simplify right side
    4,086.07x = 13,068,858.36
  5. Step 5: Solve for x
    x = 13,068,858.36/4,086.07
  6. Step 6: Final answer
    x = 3,198.39

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Half scale
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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.