Home / 5,871.02-8,102.03-3,218.47

Finding the Fourth Proportional to 5,871.02, 8,102.03 and 3,218.47

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Solution

The fourth proportional to 5,871.02, 8,102.03 and 3,218.47 is: 4,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.02 : 8,102.03 = 3,218.47 : x
  2. Step 2: Convert to fraction form
    5,871.02/8,102.03 = 3,218.47/x
  3. Step 3: Cross multiply
    5,871.02x = 8,102.03 × 3,218.47
  4. Step 4: Simplify right side
    5,871.02x = 26,076,104.15
  5. Step 5: Solve for x
    x = 26,076,104.15/5,871.02
  6. Step 6: Final answer
    x = 4,441.50

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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.