Home / 5,987.16-8,262.72-3,897.36

Finding the Fourth Proportional to 5,987.16, 8,262.72 and 3,897.36

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Solution

The fourth proportional to 5,987.16, 8,262.72 and 3,897.36 is: 5,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.16 : 8,262.72 = 3,897.36 : x
  2. Step 2: Convert to fraction form
    5,987.16/8,262.72 = 3,897.36/x
  3. Step 3: Cross multiply
    5,987.16x = 8,262.72 × 3,897.36
  4. Step 4: Simplify right side
    5,987.16x = 32,202,794.42
  5. Step 5: Solve for x
    x = 32,202,794.42/5,987.16
  6. Step 6: Final answer
    x = 5,378.64

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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.