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Finding the Fourth Proportional to 3,971.16, 5,483.43 and 3,550.77

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Solution

The fourth proportional to 3,971.16, 5,483.43 and 3,550.77 is: 4,902.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.16 : 5,483.43 = 3,550.77 : x
  2. Step 2: Convert to fraction form
    3,971.16/5,483.43 = 3,550.77/x
  3. Step 3: Cross multiply
    3,971.16x = 5,483.43 × 3,550.77
  4. Step 4: Simplify right side
    3,971.16x = 19,470,398.74
  5. Step 5: Solve for x
    x = 19,470,398.74/3,971.16
  6. Step 6: Final answer
    x = 4,902.95

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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.