Home / 5,074.86-7,613.64-2,153.26

Finding the Fourth Proportional to 5,074.86, 7,613.64 and 2,153.26

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Solution

The fourth proportional to 5,074.86, 7,613.64 and 2,153.26 is: 3,230.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.86 : 7,613.64 = 2,153.26 : x
  2. Step 2: Convert to fraction form
    5,074.86/7,613.64 = 2,153.26/x
  3. Step 3: Cross multiply
    5,074.86x = 7,613.64 × 2,153.26
  4. Step 4: Simplify right side
    5,074.86x = 16,394,146.47
  5. Step 5: Solve for x
    x = 16,394,146.47/5,074.86
  6. Step 6: Final answer
    x = 3,230.46

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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.