Home / 5,820.78-8,032.73-3,168.13

Finding the Fourth Proportional to 5,820.78, 8,032.73 and 3,168.13

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Solution

The fourth proportional to 5,820.78, 8,032.73 and 3,168.13 is: 4,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.78 : 8,032.73 = 3,168.13 : x
  2. Step 2: Convert to fraction form
    5,820.78/8,032.73 = 3,168.13/x
  3. Step 3: Cross multiply
    5,820.78x = 8,032.73 × 3,168.13
  4. Step 4: Simplify right side
    5,820.78x = 25,448,732.89
  5. Step 5: Solve for x
    x = 25,448,732.89/5,820.78
  6. Step 6: Final answer
    x = 4,372.05

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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.