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Finding the Fourth Proportional to 5,341.96, 7,375.39 and 4,781.48

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Solution

The fourth proportional to 5,341.96, 7,375.39 and 4,781.48 is: 6,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341.96 : 7,375.39 = 4,781.48 : x
  2. Step 2: Convert to fraction form
    5,341.96/7,375.39 = 4,781.48/x
  3. Step 3: Cross multiply
    5,341.96x = 7,375.39 × 4,781.48
  4. Step 4: Simplify right side
    5,341.96x = 35,265,230.95
  5. Step 5: Solve for x
    x = 35,265,230.95/5,341.96
  6. Step 6: Final answer
    x = 6,601.55

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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.