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Finding the Fourth Proportional to 3,630.92, 5,009.53 and 2,058.71

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Solution

The fourth proportional to 3,630.92, 5,009.53 and 2,058.71 is: 2,840.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.92 : 5,009.53 = 2,058.71 : x
  2. Step 2: Convert to fraction form
    3,630.92/5,009.53 = 2,058.71/x
  3. Step 3: Cross multiply
    3,630.92x = 5,009.53 × 2,058.71
  4. Step 4: Simplify right side
    3,630.92x = 10,313,164.36
  5. Step 5: Solve for x
    x = 10,313,164.36/3,630.92
  6. Step 6: Final answer
    x = 2,840.37

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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.