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Finding the Fourth Proportional to 5,480.48, 8,202.32 and 3,973.16

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Solution

The fourth proportional to 5,480.48, 8,202.32 and 3,973.16 is: 5,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.48 : 8,202.32 = 3,973.16 : x
  2. Step 2: Convert to fraction form
    5,480.48/8,202.32 = 3,973.16/x
  3. Step 3: Cross multiply
    5,480.48x = 8,202.32 × 3,973.16
  4. Step 4: Simplify right side
    5,480.48x = 32,589,129.73
  5. Step 5: Solve for x
    x = 32,589,129.73/5,480.48
  6. Step 6: Final answer
    x = 5,946.40

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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.