Home / 5,619.26-7,754.82-3,381.32

Finding the Fourth Proportional to 5,619.26, 7,754.82 and 3,381.32

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Solution

The fourth proportional to 5,619.26, 7,754.82 and 3,381.32 is: 4,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.26 : 7,754.82 = 3,381.32 : x
  2. Step 2: Convert to fraction form
    5,619.26/7,754.82 = 3,381.32/x
  3. Step 3: Cross multiply
    5,619.26x = 7,754.82 × 3,381.32
  4. Step 4: Simplify right side
    5,619.26x = 26,221,527.96
  5. Step 5: Solve for x
    x = 26,221,527.96/5,619.26
  6. Step 6: Final answer
    x = 4,666.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.