Home / 5,883.91-8,119.80-3,231.49

Finding the Fourth Proportional to 5,883.91, 8,119.80 and 3,231.49

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Solution

The fourth proportional to 5,883.91, 8,119.80 and 3,231.49 is: 4,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,883.91 : 8,119.80 = 3,231.49 : x
  2. Step 2: Convert to fraction form
    5,883.91/8,119.80 = 3,231.49/x
  3. Step 3: Cross multiply
    5,883.91x = 8,119.80 × 3,231.49
  4. Step 4: Simplify right side
    5,883.91x = 26,239,032.20
  5. Step 5: Solve for x
    x = 26,239,032.20/5,883.91
  6. Step 6: Final answer
    x = 4,459.45

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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.