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Finding the Fourth Proportional to 4,891.03, 6,742.92 and 3,097.60

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Solution

The fourth proportional to 4,891.03, 6,742.92 and 3,097.60 is: 4,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.03 : 6,742.92 = 3,097.60 : x
  2. Step 2: Convert to fraction form
    4,891.03/6,742.92 = 3,097.60/x
  3. Step 3: Cross multiply
    4,891.03x = 6,742.92 × 3,097.60
  4. Step 4: Simplify right side
    4,891.03x = 20,886,868.99
  5. Step 5: Solve for x
    x = 20,886,868.99/4,891.03
  6. Step 6: Final answer
    x = 4,270.44

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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.