Home / 5,173.47-7,139.85-2,936.05

Finding the Fourth Proportional to 5,173.47, 7,139.85 and 2,936.05

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Solution

The fourth proportional to 5,173.47, 7,139.85 and 2,936.05 is: 4,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.47 : 7,139.85 = 2,936.05 : x
  2. Step 2: Convert to fraction form
    5,173.47/7,139.85 = 2,936.05/x
  3. Step 3: Cross multiply
    5,173.47x = 7,139.85 × 2,936.05
  4. Step 4: Simplify right side
    5,173.47x = 20,962,927.73
  5. Step 5: Solve for x
    x = 20,962,927.73/5,173.47
  6. Step 6: Final answer
    x = 4,052.01

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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.