Home / 2,529.56-3,791.72-1,705.88

Finding the Fourth Proportional to 2,529.56, 3,791.72 and 1,705.88

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Solution

The fourth proportional to 2,529.56, 3,791.72 and 1,705.88 is: 2,557.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.56 : 3,791.72 = 1,705.88 : x
  2. Step 2: Convert to fraction form
    2,529.56/3,791.72 = 1,705.88/x
  3. Step 3: Cross multiply
    2,529.56x = 3,791.72 × 1,705.88
  4. Step 4: Simplify right side
    2,529.56x = 6,468,219.31
  5. Step 5: Solve for x
    x = 6,468,219.31/2,529.56
  6. Step 6: Final answer
    x = 2,557.05

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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.