Home / 4,551.54-6,827.31-1,431.81

Finding the Fourth Proportional to 4,551.54, 6,827.31 and 1,431.81

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Solution

The fourth proportional to 4,551.54, 6,827.31 and 1,431.81 is: 2,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,551.54 : 6,827.31 = 1,431.81 : x
  2. Step 2: Convert to fraction form
    4,551.54/6,827.31 = 1,431.81/x
  3. Step 3: Cross multiply
    4,551.54x = 6,827.31 × 1,431.81
  4. Step 4: Simplify right side
    4,551.54x = 9,775,410.73
  5. Step 5: Solve for x
    x = 9,775,410.73/4,551.54
  6. Step 6: Final answer
    x = 2,147.72

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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.