Home / 5,331.69-7,998.62-1,871.37

Finding the Fourth Proportional to 5,331.69, 7,998.62 and 1,871.37

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Solution

The fourth proportional to 5,331.69, 7,998.62 and 1,871.37 is: 2,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.69 : 7,998.62 = 1,871.37 : x
  2. Step 2: Convert to fraction form
    5,331.69/7,998.62 = 1,871.37/x
  3. Step 3: Cross multiply
    5,331.69x = 7,998.62 × 1,871.37
  4. Step 4: Simplify right side
    5,331.69x = 14,968,368.15
  5. Step 5: Solve for x
    x = 14,968,368.15/5,331.69
  6. Step 6: Final answer
    x = 2,807.43

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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.