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Finding the Fourth Proportional to 3,161.52, 4,363.07 and 1,835.64

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Solution

The fourth proportional to 3,161.52, 4,363.07 and 1,835.64 is: 2,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.52 : 4,363.07 = 1,835.64 : x
  2. Step 2: Convert to fraction form
    3,161.52/4,363.07 = 1,835.64/x
  3. Step 3: Cross multiply
    3,161.52x = 4,363.07 × 1,835.64
  4. Step 4: Simplify right side
    3,161.52x = 8,009,016.64
  5. Step 5: Solve for x
    x = 8,009,016.64/3,161.52
  6. Step 6: Final answer
    x = 2,533.28

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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.