Home / 5,927.20-8,173.36-4,136.72

Finding the Fourth Proportional to 5,927.20, 8,173.36 and 4,136.72

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Solution

The fourth proportional to 5,927.20, 8,173.36 and 4,136.72 is: 5,704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.20 : 8,173.36 = 4,136.72 : x
  2. Step 2: Convert to fraction form
    5,927.20/8,173.36 = 4,136.72/x
  3. Step 3: Cross multiply
    5,927.20x = 8,173.36 × 4,136.72
  4. Step 4: Simplify right side
    5,927.20x = 33,810,901.78
  5. Step 5: Solve for x
    x = 33,810,901.78/5,927.20
  6. Step 6: Final answer
    x = 5,704.36

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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.