Home / 4,086.93-5,639.97-2,386.44

Finding the Fourth Proportional to 4,086.93, 5,639.97 and 2,386.44

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Solution

The fourth proportional to 4,086.93, 5,639.97 and 2,386.44 is: 3,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.93 : 5,639.97 = 2,386.44 : x
  2. Step 2: Convert to fraction form
    4,086.93/5,639.97 = 2,386.44/x
  3. Step 3: Cross multiply
    4,086.93x = 5,639.97 × 2,386.44
  4. Step 4: Simplify right side
    4,086.93x = 13,459,450.01
  5. Step 5: Solve for x
    x = 13,459,450.01/4,086.93
  6. Step 6: Final answer
    x = 3,293.29

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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.