Home / 2,836.77-3,914.96-1,577.93

Finding the Fourth Proportional to 2,836.77, 3,914.96 and 1,577.93

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Solution

The fourth proportional to 2,836.77, 3,914.96 and 1,577.93 is: 2,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.77 : 3,914.96 = 1,577.93 : x
  2. Step 2: Convert to fraction form
    2,836.77/3,914.96 = 1,577.93/x
  3. Step 3: Cross multiply
    2,836.77x = 3,914.96 × 1,577.93
  4. Step 4: Simplify right side
    2,836.77x = 6,177,505.37
  5. Step 5: Solve for x
    x = 6,177,505.37/2,836.77
  6. Step 6: Final answer
    x = 2,177.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.