Home / 3,656.63-5,485.80-2,012.33

Finding the Fourth Proportional to 3,656.63, 5,485.80 and 2,012.33

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Solution

The fourth proportional to 3,656.63, 5,485.80 and 2,012.33 is: 3,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.63 : 5,485.80 = 2,012.33 : x
  2. Step 2: Convert to fraction form
    3,656.63/5,485.80 = 2,012.33/x
  3. Step 3: Cross multiply
    3,656.63x = 5,485.80 × 2,012.33
  4. Step 4: Simplify right side
    3,656.63x = 11,039,239.91
  5. Step 5: Solve for x
    x = 11,039,239.91/3,656.63
  6. Step 6: Final answer
    x = 3,018.97

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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.