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Finding the Fourth Proportional to 5,164.48, 7,738.48 and 2,695.68

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Solution

The fourth proportional to 5,164.48, 7,738.48 and 2,695.68 is: 4,039.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.48 : 7,738.48 = 2,695.68 : x
  2. Step 2: Convert to fraction form
    5,164.48/7,738.48 = 2,695.68/x
  3. Step 3: Cross multiply
    5,164.48x = 7,738.48 × 2,695.68
  4. Step 4: Simplify right side
    5,164.48x = 20,860,465.77
  5. Step 5: Solve for x
    x = 20,860,465.77/5,164.48
  6. Step 6: Final answer
    x = 4,039.22

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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.