Home / 5,817.87-8,028.83-3,165.45

Finding the Fourth Proportional to 5,817.87, 8,028.83 and 3,165.45

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Solution

The fourth proportional to 5,817.87, 8,028.83 and 3,165.45 is: 4,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.87 : 8,028.83 = 3,165.45 : x
  2. Step 2: Convert to fraction form
    5,817.87/8,028.83 = 3,165.45/x
  3. Step 3: Cross multiply
    5,817.87x = 8,028.83 × 3,165.45
  4. Step 4: Simplify right side
    5,817.87x = 25,414,844.10
  5. Step 5: Solve for x
    x = 25,414,844.10/5,817.87
  6. Step 6: Final answer
    x = 4,368.41

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1.5x scale

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.