Home / 5,912.56-8,157.34-3,673.64

Finding the Fourth Proportional to 5,912.56, 8,157.34 and 3,673.64

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Solution

The fourth proportional to 5,912.56, 8,157.34 and 3,673.64 is: 5,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.56 : 8,157.34 = 3,673.64 : x
  2. Step 2: Convert to fraction form
    5,912.56/8,157.34 = 3,673.64/x
  3. Step 3: Cross multiply
    5,912.56x = 8,157.34 × 3,673.64
  4. Step 4: Simplify right side
    5,912.56x = 29,967,130.52
  5. Step 5: Solve for x
    x = 29,967,130.52/5,912.56
  6. Step 6: Final answer
    x = 5,068.39

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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.