Home / 5,812.72-8,021.64-3,160.13

Finding the Fourth Proportional to 5,812.72, 8,021.64 and 3,160.13

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Solution

The fourth proportional to 5,812.72, 8,021.64 and 3,160.13 is: 4,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.72 : 8,021.64 = 3,160.13 : x
  2. Step 2: Convert to fraction form
    5,812.72/8,021.64 = 3,160.13/x
  3. Step 3: Cross multiply
    5,812.72x = 8,021.64 × 3,160.13
  4. Step 4: Simplify right side
    5,812.72x = 25,349,425.21
  5. Step 5: Solve for x
    x = 25,349,425.21/5,812.72
  6. Step 6: Final answer
    x = 4,361.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.