Home / 5,820.75-8,032.43-3,168.11

Finding the Fourth Proportional to 5,820.75, 8,032.43 and 3,168.11

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Solution

The fourth proportional to 5,820.75, 8,032.43 and 3,168.11 is: 4,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.75 : 8,032.43 = 3,168.11 : x
  2. Step 2: Convert to fraction form
    5,820.75/8,032.43 = 3,168.11/x
  3. Step 3: Cross multiply
    5,820.75x = 8,032.43 × 3,168.11
  4. Step 4: Simplify right side
    5,820.75x = 25,447,649.81
  5. Step 5: Solve for x
    x = 25,447,649.81/5,820.75
  6. Step 6: Final answer
    x = 4,371.89

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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.