Home / 2,027.85-2,798.79-1,935.51

Finding the Fourth Proportional to 2,027.85, 2,798.79 and 1,935.51

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Solution

The fourth proportional to 2,027.85, 2,798.79 and 1,935.51 is: 2,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.85 : 2,798.79 = 1,935.51 : x
  2. Step 2: Convert to fraction form
    2,027.85/2,798.79 = 1,935.51/x
  3. Step 3: Cross multiply
    2,027.85x = 2,798.79 × 1,935.51
  4. Step 4: Simplify right side
    2,027.85x = 5,417,086.03
  5. Step 5: Solve for x
    x = 5,417,086.03/2,027.85
  6. Step 6: Final answer
    x = 2,671.34

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Double scale
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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.