Home / 4,087.41-5,639.87-2,493.69

Finding the Fourth Proportional to 4,087.41, 5,639.87 and 2,493.69

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Solution

The fourth proportional to 4,087.41, 5,639.87 and 2,493.69 is: 3,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.41 : 5,639.87 = 2,493.69 : x
  2. Step 2: Convert to fraction form
    4,087.41/5,639.87 = 2,493.69/x
  3. Step 3: Cross multiply
    4,087.41x = 5,639.87 × 2,493.69
  4. Step 4: Simplify right side
    4,087.41x = 14,064,093.65
  5. Step 5: Solve for x
    x = 14,064,093.65/4,087.41
  6. Step 6: Final answer
    x = 3,440.83

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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.