Home / 5,605.80-8,415.98-3,666.66

Finding the Fourth Proportional to 5,605.80, 8,415.98 and 3,666.66

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Solution

The fourth proportional to 5,605.80, 8,415.98 and 3,666.66 is: 5,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.80 : 8,415.98 = 3,666.66 : x
  2. Step 2: Convert to fraction form
    5,605.80/8,415.98 = 3,666.66/x
  3. Step 3: Cross multiply
    5,605.80x = 8,415.98 × 3,666.66
  4. Step 4: Simplify right side
    5,605.80x = 30,858,537.23
  5. Step 5: Solve for x
    x = 30,858,537.23/5,605.80
  6. Step 6: Final answer
    x = 5,504.75

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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.