Home / 2,067.04-2,855.28-1,969.84

Finding the Fourth Proportional to 2,067.04, 2,855.28 and 1,969.84

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Solution

The fourth proportional to 2,067.04, 2,855.28 and 1,969.84 is: 2,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.04 : 2,855.28 = 1,969.84 : x
  2. Step 2: Convert to fraction form
    2,067.04/2,855.28 = 1,969.84/x
  3. Step 3: Cross multiply
    2,067.04x = 2,855.28 × 1,969.84
  4. Step 4: Simplify right side
    2,067.04x = 5,624,444.76
  5. Step 5: Solve for x
    x = 5,624,444.76/2,067.04
  6. Step 6: Final answer
    x = 2,721.01

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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.