Home / 5,921.28-8,872.56-3,837.60

Finding the Fourth Proportional to 5,921.28, 8,872.56 and 3,837.60

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Solution

The fourth proportional to 5,921.28, 8,872.56 and 3,837.60 is: 5,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.28 : 8,872.56 = 3,837.60 : x
  2. Step 2: Convert to fraction form
    5,921.28/8,872.56 = 3,837.60/x
  3. Step 3: Cross multiply
    5,921.28x = 8,872.56 × 3,837.60
  4. Step 4: Simplify right side
    5,921.28x = 34,049,336.26
  5. Step 5: Solve for x
    x = 34,049,336.26/5,921.28
  6. Step 6: Final answer
    x = 5,750.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.