Home / 5,421.51-7,481.61-3,063.51

Finding the Fourth Proportional to 5,421.51, 7,481.61 and 3,063.51

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Solution

The fourth proportional to 5,421.51, 7,481.61 and 3,063.51 is: 4,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.51 : 7,481.61 = 3,063.51 : x
  2. Step 2: Convert to fraction form
    5,421.51/7,481.61 = 3,063.51/x
  3. Step 3: Cross multiply
    5,421.51x = 7,481.61 × 3,063.51
  4. Step 4: Simplify right side
    5,421.51x = 22,919,987.05
  5. Step 5: Solve for x
    x = 22,919,987.05/5,421.51
  6. Step 6: Final answer
    x = 4,227.60

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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.