Home / 5,817.50-8,028.32-3,165.08

Finding the Fourth Proportional to 5,817.50, 8,028.32 and 3,165.08

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Solution

The fourth proportional to 5,817.50, 8,028.32 and 3,165.08 is: 4,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.50 : 8,028.32 = 3,165.08 : x
  2. Step 2: Convert to fraction form
    5,817.50/8,028.32 = 3,165.08/x
  3. Step 3: Cross multiply
    5,817.50x = 8,028.32 × 3,165.08
  4. Step 4: Simplify right side
    5,817.50x = 25,410,219.10
  5. Step 5: Solve for x
    x = 25,410,219.10/5,817.50
  6. Step 6: Final answer
    x = 4,367.90

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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.