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Finding the Fourth Proportional to 5,367.43, 7,407 and 3,009.55

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Solution

The fourth proportional to 5,367.43, 7,407 and 3,009.55 is: 4,153.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.43 : 7,407 = 3,009.55 : x
  2. Step 2: Convert to fraction form
    5,367.43/7,407 = 3,009.55/x
  3. Step 3: Cross multiply
    5,367.43x = 7,407 × 3,009.55
  4. Step 4: Simplify right side
    5,367.43x = 22,291,736.85
  5. Step 5: Solve for x
    x = 22,291,736.85/5,367.43
  6. Step 6: Final answer
    x = 4,153.15

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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.