Home / 5,812.83-8,021.78-3,160.23

Finding the Fourth Proportional to 5,812.83, 8,021.78 and 3,160.23

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Solution

The fourth proportional to 5,812.83, 8,021.78 and 3,160.23 is: 4,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.83 : 8,021.78 = 3,160.23 : x
  2. Step 2: Convert to fraction form
    5,812.83/8,021.78 = 3,160.23/x
  3. Step 3: Cross multiply
    5,812.83x = 8,021.78 × 3,160.23
  4. Step 4: Simplify right side
    5,812.83x = 25,350,698.68
  5. Step 5: Solve for x
    x = 25,350,698.68/5,812.83
  6. Step 6: Final answer
    x = 4,361.16

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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.