Home / 5,173.72-7,136.70-3,755.75

Finding the Fourth Proportional to 5,173.72, 7,136.70 and 3,755.75

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Solution

The fourth proportional to 5,173.72, 7,136.70 and 3,755.75 is: 5,180.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.72 : 7,136.70 = 3,755.75 : x
  2. Step 2: Convert to fraction form
    5,173.72/7,136.70 = 3,755.75/x
  3. Step 3: Cross multiply
    5,173.72x = 7,136.70 × 3,755.75
  4. Step 4: Simplify right side
    5,173.72x = 26,803,661.03
  5. Step 5: Solve for x
    x = 26,803,661.03/5,173.72
  6. Step 6: Final answer
    x = 5,180.74

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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.