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Finding the Fourth Proportional to 3,873.57, 5,346.93 and 2,383.48

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Solution

The fourth proportional to 3,873.57, 5,346.93 and 2,383.48 is: 3,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.57 : 5,346.93 = 2,383.48 : x
  2. Step 2: Convert to fraction form
    3,873.57/5,346.93 = 2,383.48/x
  3. Step 3: Cross multiply
    3,873.57x = 5,346.93 × 2,383.48
  4. Step 4: Simplify right side
    3,873.57x = 12,744,300.72
  5. Step 5: Solve for x
    x = 12,744,300.72/3,873.57
  6. Step 6: Final answer
    x = 3,290.07

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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.