Home / 3,538.32-4,881.72-2,140.56

Finding the Fourth Proportional to 3,538.32, 4,881.72 and 2,140.56

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Solution

The fourth proportional to 3,538.32, 4,881.72 and 2,140.56 is: 2,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.32 : 4,881.72 = 2,140.56 : x
  2. Step 2: Convert to fraction form
    3,538.32/4,881.72 = 2,140.56/x
  3. Step 3: Cross multiply
    3,538.32x = 4,881.72 × 2,140.56
  4. Step 4: Simplify right side
    3,538.32x = 10,449,614.56
  5. Step 5: Solve for x
    x = 10,449,614.56/3,538.32
  6. Step 6: Final answer
    x = 2,953.27

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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.