Home / 5,173.04-7,147.16-3,608.12

Finding the Fourth Proportional to 5,173.04, 7,147.16 and 3,608.12

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Solution

The fourth proportional to 5,173.04, 7,147.16 and 3,608.12 is: 4,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173.04 : 7,147.16 = 3,608.12 : x
  2. Step 2: Convert to fraction form
    5,173.04/7,147.16 = 3,608.12/x
  3. Step 3: Cross multiply
    5,173.04x = 7,147.16 × 3,608.12
  4. Step 4: Simplify right side
    5,173.04x = 25,787,757.16
  5. Step 5: Solve for x
    x = 25,787,757.16/5,173.04
  6. Step 6: Final answer
    x = 4,985.03

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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.