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Finding the Fourth Proportional to 3,975.54, 5,483.97 and 3,504.57

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Solution

The fourth proportional to 3,975.54, 5,483.97 and 3,504.57 is: 4,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.54 : 5,483.97 = 3,504.57 : x
  2. Step 2: Convert to fraction form
    3,975.54/5,483.97 = 3,504.57/x
  3. Step 3: Cross multiply
    3,975.54x = 5,483.97 × 3,504.57
  4. Step 4: Simplify right side
    3,975.54x = 19,218,956.74
  5. Step 5: Solve for x
    x = 19,218,956.74/3,975.54
  6. Step 6: Final answer
    x = 4,834.30

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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.