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Finding the Fourth Proportional to 3,494.22, 5,241.32 and 897.15

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Solution

The fourth proportional to 3,494.22, 5,241.32 and 897.15 is: 1,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.22 : 5,241.32 = 897.15 : x
  2. Step 2: Convert to fraction form
    3,494.22/5,241.32 = 897.15/x
  3. Step 3: Cross multiply
    3,494.22x = 5,241.32 × 897.15
  4. Step 4: Simplify right side
    3,494.22x = 4,702,250.24
  5. Step 5: Solve for x
    x = 4,702,250.24/3,494.22
  6. Step 6: Final answer
    x = 1,345.72

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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.