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Finding the Fourth Proportional to 3,494.56, 5,241.84 and 1,186

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Solution

The fourth proportional to 3,494.56, 5,241.84 and 1,186 is: 1,779

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.56 : 5,241.84 = 1,186 : x
  2. Step 2: Convert to fraction form
    3,494.56/5,241.84 = 1,186/x
  3. Step 3: Cross multiply
    3,494.56x = 5,241.84 × 1,186
  4. Step 4: Simplify right side
    3,494.56x = 6,216,822.24
  5. Step 5: Solve for x
    x = 6,216,822.24/3,494.56
  6. Step 6: Final answer
    x = 1,779

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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.