Home / 5,918.68-8,173.86-4,914.03

Finding the Fourth Proportional to 5,918.68, 8,173.86 and 4,914.03

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Solution

The fourth proportional to 5,918.68, 8,173.86 and 4,914.03 is: 6,786.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.68 : 8,173.86 = 4,914.03 : x
  2. Step 2: Convert to fraction form
    5,918.68/8,173.86 = 4,914.03/x
  3. Step 3: Cross multiply
    5,918.68x = 8,173.86 × 4,914.03
  4. Step 4: Simplify right side
    5,918.68x = 40,166,593.26
  5. Step 5: Solve for x
    x = 40,166,593.26/5,918.68
  6. Step 6: Final answer
    x = 6,786.41

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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.