Home / 3,655.14-5,481.34-1,574.98

Finding the Fourth Proportional to 3,655.14, 5,481.34 and 1,574.98

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Solution

The fourth proportional to 3,655.14, 5,481.34 and 1,574.98 is: 2,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.14 : 5,481.34 = 1,574.98 : x
  2. Step 2: Convert to fraction form
    3,655.14/5,481.34 = 1,574.98/x
  3. Step 3: Cross multiply
    3,655.14x = 5,481.34 × 1,574.98
  4. Step 4: Simplify right side
    3,655.14x = 8,633,009.68
  5. Step 5: Solve for x
    x = 8,633,009.68/3,655.14
  6. Step 6: Final answer
    x = 2,361.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.