Home / 5,817.90-8,028.88-3,165.48

Finding the Fourth Proportional to 5,817.90, 8,028.88 and 3,165.48

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Solution

The fourth proportional to 5,817.90, 8,028.88 and 3,165.48 is: 4,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.90 : 8,028.88 = 3,165.48 : x
  2. Step 2: Convert to fraction form
    5,817.90/8,028.88 = 3,165.48/x
  3. Step 3: Cross multiply
    5,817.90x = 8,028.88 × 3,165.48
  4. Step 4: Simplify right side
    5,817.90x = 25,415,257.99
  5. Step 5: Solve for x
    x = 25,415,257.99/5,817.90
  6. Step 6: Final answer
    x = 4,368.46

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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.