Home / 5,871.15-8,102.16-3,218.52

Finding the Fourth Proportional to 5,871.15, 8,102.16 and 3,218.52

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Solution

The fourth proportional to 5,871.15, 8,102.16 and 3,218.52 is: 4,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.15 : 8,102.16 = 3,218.52 : x
  2. Step 2: Convert to fraction form
    5,871.15/8,102.16 = 3,218.52/x
  3. Step 3: Cross multiply
    5,871.15x = 8,102.16 × 3,218.52
  4. Step 4: Simplify right side
    5,871.15x = 26,076,964.00
  5. Step 5: Solve for x
    x = 26,076,964.00/5,871.15
  6. Step 6: Final answer
    x = 4,441.54

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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.