Home / 5,407.37-8,107.80-2,116.54

Finding the Fourth Proportional to 5,407.37, 8,107.80 and 2,116.54

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Solution

The fourth proportional to 5,407.37, 8,107.80 and 2,116.54 is: 3,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.37 : 8,107.80 = 2,116.54 : x
  2. Step 2: Convert to fraction form
    5,407.37/8,107.80 = 2,116.54/x
  3. Step 3: Cross multiply
    5,407.37x = 8,107.80 × 2,116.54
  4. Step 4: Simplify right side
    5,407.37x = 17,160,442.47
  5. Step 5: Solve for x
    x = 17,160,442.47/5,407.37
  6. Step 6: Final answer
    x = 3,173.53

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