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Finding the Fourth Proportional to 5,404.16, 7,450.08 and 3,831.68

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Solution

The fourth proportional to 5,404.16, 7,450.08 and 3,831.68 is: 5,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.16 : 7,450.08 = 3,831.68 : x
  2. Step 2: Convert to fraction form
    5,404.16/7,450.08 = 3,831.68/x
  3. Step 3: Cross multiply
    5,404.16x = 7,450.08 × 3,831.68
  4. Step 4: Simplify right side
    5,404.16x = 28,546,322.53
  5. Step 5: Solve for x
    x = 28,546,322.53/5,404.16
  6. Step 6: Final answer
    x = 5,282.29

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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.