Home / 5,921.95-8,172.25-3,563.59

Finding the Fourth Proportional to 5,921.95, 8,172.25 and 3,563.59

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Solution

The fourth proportional to 5,921.95, 8,172.25 and 3,563.59 is: 4,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.95 : 8,172.25 = 3,563.59 : x
  2. Step 2: Convert to fraction form
    5,921.95/8,172.25 = 3,563.59/x
  3. Step 3: Cross multiply
    5,921.95x = 8,172.25 × 3,563.59
  4. Step 4: Simplify right side
    5,921.95x = 29,122,548.38
  5. Step 5: Solve for x
    x = 29,122,548.38/5,921.95
  6. Step 6: Final answer
    x = 4,917.73

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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.