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Finding the Fourth Proportional to 5,364.84, 7,402.86 and 3,241.65

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Solution

The fourth proportional to 5,364.84, 7,402.86 and 3,241.65 is: 4,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.84 : 7,402.86 = 3,241.65 : x
  2. Step 2: Convert to fraction form
    5,364.84/7,402.86 = 3,241.65/x
  3. Step 3: Cross multiply
    5,364.84x = 7,402.86 × 3,241.65
  4. Step 4: Simplify right side
    5,364.84x = 23,997,481.12
  5. Step 5: Solve for x
    x = 23,997,481.12/5,364.84
  6. Step 6: Final answer
    x = 4,473.10

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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.