Home / 5,403.73-8,106.29-2,116.41

Finding the Fourth Proportional to 5,403.73, 8,106.29 and 2,116.41

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Solution

The fourth proportional to 5,403.73, 8,106.29 and 2,116.41 is: 3,174.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.73 : 8,106.29 = 2,116.41 : x
  2. Step 2: Convert to fraction form
    5,403.73/8,106.29 = 2,116.41/x
  3. Step 3: Cross multiply
    5,403.73x = 8,106.29 × 2,116.41
  4. Step 4: Simplify right side
    5,403.73x = 17,156,233.22
  5. Step 5: Solve for x
    x = 17,156,233.22/5,403.73
  6. Step 6: Final answer
    x = 3,174.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.