Home / 5,021.56-7,531.74-1,324.08

Finding the Fourth Proportional to 5,021.56, 7,531.74 and 1,324.08

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Solution

The fourth proportional to 5,021.56, 7,531.74 and 1,324.08 is: 1,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.56 : 7,531.74 = 1,324.08 : x
  2. Step 2: Convert to fraction form
    5,021.56/7,531.74 = 1,324.08/x
  3. Step 3: Cross multiply
    5,021.56x = 7,531.74 × 1,324.08
  4. Step 4: Simplify right side
    5,021.56x = 9,972,626.30
  5. Step 5: Solve for x
    x = 9,972,626.30/5,021.56
  6. Step 6: Final answer
    x = 1,985.96

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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.