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Finding the Fourth Proportional to 5,344.35, 7,374.54 and 2,986.44

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Solution

The fourth proportional to 5,344.35, 7,374.54 and 2,986.44 is: 4,120.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,344.35 : 7,374.54 = 2,986.44 : x
  2. Step 2: Convert to fraction form
    5,344.35/7,374.54 = 2,986.44/x
  3. Step 3: Cross multiply
    5,344.35x = 7,374.54 × 2,986.44
  4. Step 4: Simplify right side
    5,344.35x = 22,023,621.24
  5. Step 5: Solve for x
    x = 22,023,621.24/5,344.35
  6. Step 6: Final answer
    x = 4,120.92

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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.