Home / 3,720.15-5,133.83-2,041.63

Finding the Fourth Proportional to 3,720.15, 5,133.83 and 2,041.63

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Solution

The fourth proportional to 3,720.15, 5,133.83 and 2,041.63 is: 2,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.15 : 5,133.83 = 2,041.63 : x
  2. Step 2: Convert to fraction form
    3,720.15/5,133.83 = 2,041.63/x
  3. Step 3: Cross multiply
    3,720.15x = 5,133.83 × 2,041.63
  4. Step 4: Simplify right side
    3,720.15x = 10,481,358.30
  5. Step 5: Solve for x
    x = 10,481,358.30/3,720.15
  6. Step 6: Final answer
    x = 2,817.46

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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.