Home / 5,164.16-7,744.36-2,825.89

Finding the Fourth Proportional to 5,164.16, 7,744.36 and 2,825.89

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Solution

The fourth proportional to 5,164.16, 7,744.36 and 2,825.89 is: 4,237.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.16 : 7,744.36 = 2,825.89 : x
  2. Step 2: Convert to fraction form
    5,164.16/7,744.36 = 2,825.89/x
  3. Step 3: Cross multiply
    5,164.16x = 7,744.36 × 2,825.89
  4. Step 4: Simplify right side
    5,164.16x = 21,884,688.35
  5. Step 5: Solve for x
    x = 21,884,688.35/5,164.16
  6. Step 6: Final answer
    x = 4,237.81

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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.