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Finding the Fourth Proportional to 3,364.37, 4,641.11 and 1,966.31

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Solution

The fourth proportional to 3,364.37, 4,641.11 and 1,966.31 is: 2,712.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.37 : 4,641.11 = 1,966.31 : x
  2. Step 2: Convert to fraction form
    3,364.37/4,641.11 = 1,966.31/x
  3. Step 3: Cross multiply
    3,364.37x = 4,641.11 × 1,966.31
  4. Step 4: Simplify right side
    3,364.37x = 9,125,862.78
  5. Step 5: Solve for x
    x = 9,125,862.78/3,364.37
  6. Step 6: Final answer
    x = 2,712.50

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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.