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Finding the Fourth Proportional to 6,241.40, 9,362.10 and 3,613.40

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Solution

The fourth proportional to 6,241.40, 9,362.10 and 3,613.40 is: 5,420.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.40 : 9,362.10 = 3,613.40 : x
  2. Step 2: Convert to fraction form
    6,241.40/9,362.10 = 3,613.40/x
  3. Step 3: Cross multiply
    6,241.40x = 9,362.10 × 3,613.40
  4. Step 4: Simplify right side
    6,241.40x = 33,829,012.14
  5. Step 5: Solve for x
    x = 33,829,012.14/6,241.40
  6. Step 6: Final answer
    x = 5,420.10

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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.