Home / 2,192.81-3,027.17-1,694.32

Finding the Fourth Proportional to 2,192.81, 3,027.17 and 1,694.32

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Solution

The fourth proportional to 2,192.81, 3,027.17 and 1,694.32 is: 2,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.81 : 3,027.17 = 1,694.32 : x
  2. Step 2: Convert to fraction form
    2,192.81/3,027.17 = 1,694.32/x
  3. Step 3: Cross multiply
    2,192.81x = 3,027.17 × 1,694.32
  4. Step 4: Simplify right side
    2,192.81x = 5,128,991.34
  5. Step 5: Solve for x
    x = 5,128,991.34/2,192.81
  6. Step 6: Final answer
    x = 2,339.01

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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.