Home / 5,165.13-7,127.99-3,069.26

Finding the Fourth Proportional to 5,165.13, 7,127.99 and 3,069.26

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Solution

The fourth proportional to 5,165.13, 7,127.99 and 3,069.26 is: 4,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.13 : 7,127.99 = 3,069.26 : x
  2. Step 2: Convert to fraction form
    5,165.13/7,127.99 = 3,069.26/x
  3. Step 3: Cross multiply
    5,165.13x = 7,127.99 × 3,069.26
  4. Step 4: Simplify right side
    5,165.13x = 21,877,626.62
  5. Step 5: Solve for x
    x = 21,877,626.62/5,165.13
  6. Step 6: Final answer
    x = 4,235.64

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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.