Home / 4,198.75-6,298.12-1,277.08

Finding the Fourth Proportional to 4,198.75, 6,298.12 and 1,277.08

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Solution

The fourth proportional to 4,198.75, 6,298.12 and 1,277.08 is: 1,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.75 : 6,298.12 = 1,277.08 : x
  2. Step 2: Convert to fraction form
    4,198.75/6,298.12 = 1,277.08/x
  3. Step 3: Cross multiply
    4,198.75x = 6,298.12 × 1,277.08
  4. Step 4: Simplify right side
    4,198.75x = 8,043,203.09
  5. Step 5: Solve for x
    x = 8,043,203.09/4,198.75
  6. Step 6: Final answer
    x = 1,915.62

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Double scale
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Similar ratio
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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.