Home / 5,199.19-7,788.47-2,422.04

Finding the Fourth Proportional to 5,199.19, 7,788.47 and 2,422.04

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Solution

The fourth proportional to 5,199.19, 7,788.47 and 2,422.04 is: 3,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.19 : 7,788.47 = 2,422.04 : x
  2. Step 2: Convert to fraction form
    5,199.19/7,788.47 = 2,422.04/x
  3. Step 3: Cross multiply
    5,199.19x = 7,788.47 × 2,422.04
  4. Step 4: Simplify right side
    5,199.19x = 18,863,986.42
  5. Step 5: Solve for x
    x = 18,863,986.42/5,199.19
  6. Step 6: Final answer
    x = 3,628.26

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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.