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Finding the Fourth Proportional to 3,606.17, 5,411.06 and 1,659.74

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Solution

The fourth proportional to 3,606.17, 5,411.06 and 1,659.74 is: 2,490.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.17 : 5,411.06 = 1,659.74 : x
  2. Step 2: Convert to fraction form
    3,606.17/5,411.06 = 1,659.74/x
  3. Step 3: Cross multiply
    3,606.17x = 5,411.06 × 1,659.74
  4. Step 4: Simplify right side
    3,606.17x = 8,980,917.37
  5. Step 5: Solve for x
    x = 8,980,917.37/3,606.17
  6. Step 6: Final answer
    x = 2,490.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.