Home / 5,817.75-8,028.48-3,165.15

Finding the Fourth Proportional to 5,817.75, 8,028.48 and 3,165.15

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Solution

The fourth proportional to 5,817.75, 8,028.48 and 3,165.15 is: 4,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.75 : 8,028.48 = 3,165.15 : x
  2. Step 2: Convert to fraction form
    5,817.75/8,028.48 = 3,165.15/x
  3. Step 3: Cross multiply
    5,817.75x = 8,028.48 × 3,165.15
  4. Step 4: Simplify right side
    5,817.75x = 25,411,343.47
  5. Step 5: Solve for x
    x = 25,411,343.47/5,817.75
  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.