Home / 3,712.37-5,124.21-2,141.51

Finding the Fourth Proportional to 3,712.37, 5,124.21 and 2,141.51

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Solution

The fourth proportional to 3,712.37, 5,124.21 and 2,141.51 is: 2,955.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.37 : 5,124.21 = 2,141.51 : x
  2. Step 2: Convert to fraction form
    3,712.37/5,124.21 = 2,141.51/x
  3. Step 3: Cross multiply
    3,712.37x = 5,124.21 × 2,141.51
  4. Step 4: Simplify right side
    3,712.37x = 10,973,546.96
  5. Step 5: Solve for x
    x = 10,973,546.96/3,712.37
  6. Step 6: Final answer
    x = 2,955.94

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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.