Home / 5,897.81-8,138.98-3,245.37

Finding the Fourth Proportional to 5,897.81, 8,138.98 and 3,245.37

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Solution

The fourth proportional to 5,897.81, 8,138.98 and 3,245.37 is: 4,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.81 : 8,138.98 = 3,245.37 : x
  2. Step 2: Convert to fraction form
    5,897.81/8,138.98 = 3,245.37/x
  3. Step 3: Cross multiply
    5,897.81x = 8,138.98 × 3,245.37
  4. Step 4: Simplify right side
    5,897.81x = 26,413,975.06
  5. Step 5: Solve for x
    x = 26,413,975.06/5,897.81
  6. Step 6: Final answer
    x = 4,478.61

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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.