Home / 3,611.17-5,411.89-1,659.07

Finding the Fourth Proportional to 3,611.17, 5,411.89 and 1,659.07

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Solution

The fourth proportional to 3,611.17, 5,411.89 and 1,659.07 is: 2,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.17 : 5,411.89 = 1,659.07 : x
  2. Step 2: Convert to fraction form
    3,611.17/5,411.89 = 1,659.07/x
  3. Step 3: Cross multiply
    3,611.17x = 5,411.89 × 1,659.07
  4. Step 4: Simplify right side
    3,611.17x = 8,978,704.34
  5. Step 5: Solve for x
    x = 8,978,704.34/3,611.17
  6. Step 6: Final answer
    x = 2,486.37

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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.