Home / 5,189.96-7,786.26-1,492.45

Finding the Fourth Proportional to 5,189.96, 7,786.26 and 1,492.45

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Solution

The fourth proportional to 5,189.96, 7,786.26 and 1,492.45 is: 2,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.96 : 7,786.26 = 1,492.45 : x
  2. Step 2: Convert to fraction form
    5,189.96/7,786.26 = 1,492.45/x
  3. Step 3: Cross multiply
    5,189.96x = 7,786.26 × 1,492.45
  4. Step 4: Simplify right side
    5,189.96x = 11,620,584.27
  5. Step 5: Solve for x
    x = 11,620,584.27/5,189.96
  6. Step 6: Final answer
    x = 2,239.05

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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.