Home / 3,656.98-5,486.01-1,191.19

Finding the Fourth Proportional to 3,656.98, 5,486.01 and 1,191.19

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Solution

The fourth proportional to 3,656.98, 5,486.01 and 1,191.19 is: 1,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.98 : 5,486.01 = 1,191.19 : x
  2. Step 2: Convert to fraction form
    3,656.98/5,486.01 = 1,191.19/x
  3. Step 3: Cross multiply
    3,656.98x = 5,486.01 × 1,191.19
  4. Step 4: Simplify right side
    3,656.98x = 6,534,879.06
  5. Step 5: Solve for x
    x = 6,534,879.06/3,656.98
  6. Step 6: Final answer
    x = 1,786.96

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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.