Home / 5,131.60-7,701.14-4,825.42

Finding the Fourth Proportional to 5,131.60, 7,701.14 and 4,825.42

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Solution

The fourth proportional to 5,131.60, 7,701.14 and 4,825.42 is: 7,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.60 : 7,701.14 = 4,825.42 : x
  2. Step 2: Convert to fraction form
    5,131.60/7,701.14 = 4,825.42/x
  3. Step 3: Cross multiply
    5,131.60x = 7,701.14 × 4,825.42
  4. Step 4: Simplify right side
    5,131.60x = 37,161,227.79
  5. Step 5: Solve for x
    x = 37,161,227.79/5,131.60
  6. Step 6: Final answer
    x = 7,241.65

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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.