Home / 5,820.75-8,032.56-3,168.12

Finding the Fourth Proportional to 5,820.75, 8,032.56 and 3,168.12

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Solution

The fourth proportional to 5,820.75, 8,032.56 and 3,168.12 is: 4,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.75 : 8,032.56 = 3,168.12 : x
  2. Step 2: Convert to fraction form
    5,820.75/8,032.56 = 3,168.12/x
  3. Step 3: Cross multiply
    5,820.75x = 8,032.56 × 3,168.12
  4. Step 4: Simplify right side
    5,820.75x = 25,448,113.99
  5. Step 5: Solve for x
    x = 25,448,113.99/5,820.75
  6. Step 6: Final answer
    x = 4,371.96

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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.