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Finding the Fourth Proportional to 3,494.18, 5,241.27 and 897.12

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Solution

The fourth proportional to 3,494.18, 5,241.27 and 897.12 is: 1,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.18 : 5,241.27 = 897.12 : x
  2. Step 2: Convert to fraction form
    3,494.18/5,241.27 = 897.12/x
  3. Step 3: Cross multiply
    3,494.18x = 5,241.27 × 897.12
  4. Step 4: Simplify right side
    3,494.18x = 4,702,048.14
  5. Step 5: Solve for x
    x = 4,702,048.14/3,494.18
  6. Step 6: Final answer
    x = 1,345.68

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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.