Home / 5,716.71-8,576.47-1,968.55

Finding the Fourth Proportional to 5,716.71, 8,576.47 and 1,968.55

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Solution

The fourth proportional to 5,716.71, 8,576.47 and 1,968.55 is: 2,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.71 : 8,576.47 = 1,968.55 : x
  2. Step 2: Convert to fraction form
    5,716.71/8,576.47 = 1,968.55/x
  3. Step 3: Cross multiply
    5,716.71x = 8,576.47 × 1,968.55
  4. Step 4: Simplify right side
    5,716.71x = 16,883,236.51
  5. Step 5: Solve for x
    x = 16,883,236.51/5,716.71
  6. Step 6: Final answer
    x = 2,953.31

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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.