Home / 5,194.24-7,788.25-2,421.53

Finding the Fourth Proportional to 5,194.24, 7,788.25 and 2,421.53

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Solution

The fourth proportional to 5,194.24, 7,788.25 and 2,421.53 is: 3,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.24 : 7,788.25 = 2,421.53 : x
  2. Step 2: Convert to fraction form
    5,194.24/7,788.25 = 2,421.53/x
  3. Step 3: Cross multiply
    5,194.24x = 7,788.25 × 2,421.53
  4. Step 4: Simplify right side
    5,194.24x = 18,859,474.31
  5. Step 5: Solve for x
    x = 18,859,474.31/5,194.24
  6. Step 6: Final answer
    x = 3,630.85

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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.