Home / 5,877.03-8,108.68-3,782.37

Finding the Fourth Proportional to 5,877.03, 8,108.68 and 3,782.37

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Solution

The fourth proportional to 5,877.03, 8,108.68 and 3,782.37 is: 5,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.03 : 8,108.68 = 3,782.37 : x
  2. Step 2: Convert to fraction form
    5,877.03/8,108.68 = 3,782.37/x
  3. Step 3: Cross multiply
    5,877.03x = 8,108.68 × 3,782.37
  4. Step 4: Simplify right side
    5,877.03x = 30,670,027.97
  5. Step 5: Solve for x
    x = 30,670,027.97/5,877.03
  6. Step 6: Final answer
    x = 5,218.63

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1.5x scale

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.