Home / 5,511.18-7,605.48-2,993.31

Finding the Fourth Proportional to 5,511.18, 7,605.48 and 2,993.31

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Solution

The fourth proportional to 5,511.18, 7,605.48 and 2,993.31 is: 4,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.18 : 7,605.48 = 2,993.31 : x
  2. Step 2: Convert to fraction form
    5,511.18/7,605.48 = 2,993.31/x
  3. Step 3: Cross multiply
    5,511.18x = 7,605.48 × 2,993.31
  4. Step 4: Simplify right side
    5,511.18x = 22,765,559.34
  5. Step 5: Solve for x
    x = 22,765,559.34/5,511.18
  6. Step 6: Final answer
    x = 4,130.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.