Home / 5,174.41-7,140.43-2,816.50

Finding the Fourth Proportional to 5,174.41, 7,140.43 and 2,816.50

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Solution

The fourth proportional to 5,174.41, 7,140.43 and 2,816.50 is: 3,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.41 : 7,140.43 = 2,816.50 : x
  2. Step 2: Convert to fraction form
    5,174.41/7,140.43 = 2,816.50/x
  3. Step 3: Cross multiply
    5,174.41x = 7,140.43 × 2,816.50
  4. Step 4: Simplify right side
    5,174.41x = 20,111,021.10
  5. Step 5: Solve for x
    x = 20,111,021.10/5,174.41
  6. Step 6: Final answer
    x = 3,886.63

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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.