Home / 5,786.35-7,985.01-3,268.72

Finding the Fourth Proportional to 5,786.35, 7,985.01 and 3,268.72

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Solution

The fourth proportional to 5,786.35, 7,985.01 and 3,268.72 is: 4,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.35 : 7,985.01 = 3,268.72 : x
  2. Step 2: Convert to fraction form
    5,786.35/7,985.01 = 3,268.72/x
  3. Step 3: Cross multiply
    5,786.35x = 7,985.01 × 3,268.72
  4. Step 4: Simplify right side
    5,786.35x = 26,100,784.13
  5. Step 5: Solve for x
    x = 26,100,784.13/5,786.35
  6. Step 6: Final answer
    x = 4,510.75

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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.