Home / 5,368.36-8,064.69-3,400.06

Finding the Fourth Proportional to 5,368.36, 8,064.69 and 3,400.06

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Solution

The fourth proportional to 5,368.36, 8,064.69 and 3,400.06 is: 5,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.36 : 8,064.69 = 3,400.06 : x
  2. Step 2: Convert to fraction form
    5,368.36/8,064.69 = 3,400.06/x
  3. Step 3: Cross multiply
    5,368.36x = 8,064.69 × 3,400.06
  4. Step 4: Simplify right side
    5,368.36x = 27,420,429.88
  5. Step 5: Solve for x
    x = 27,420,429.88/5,368.36
  6. Step 6: Final answer
    x = 5,107.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.