Home / 5,812.75-8,021.26-3,160.14

Finding the Fourth Proportional to 5,812.75, 8,021.26 and 3,160.14

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Solution

The fourth proportional to 5,812.75, 8,021.26 and 3,160.14 is: 4,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.75 : 8,021.26 = 3,160.14 : x
  2. Step 2: Convert to fraction form
    5,812.75/8,021.26 = 3,160.14/x
  3. Step 3: Cross multiply
    5,812.75x = 8,021.26 × 3,160.14
  4. Step 4: Simplify right side
    5,812.75x = 25,348,304.58
  5. Step 5: Solve for x
    x = 25,348,304.58/5,812.75
  6. Step 6: Final answer
    x = 4,360.81

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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.