Home / 2,836.37-3,914.19-1,577.49

Finding the Fourth Proportional to 2,836.37, 3,914.19 and 1,577.49

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Solution

The fourth proportional to 2,836.37, 3,914.19 and 1,577.49 is: 2,176.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.37 : 3,914.19 = 1,577.49 : x
  2. Step 2: Convert to fraction form
    2,836.37/3,914.19 = 1,577.49/x
  3. Step 3: Cross multiply
    2,836.37x = 3,914.19 × 1,577.49
  4. Step 4: Simplify right side
    2,836.37x = 6,174,595.58
  5. Step 5: Solve for x
    x = 6,174,595.58/2,836.37
  6. Step 6: Final answer
    x = 2,176.94

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1.5x scale

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.