Home / 3,968.03-5,475.49-2,199.59

Finding the Fourth Proportional to 3,968.03, 5,475.49 and 2,199.59

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Solution

The fourth proportional to 3,968.03, 5,475.49 and 2,199.59 is: 3,035.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.03 : 5,475.49 = 2,199.59 : x
  2. Step 2: Convert to fraction form
    3,968.03/5,475.49 = 2,199.59/x
  3. Step 3: Cross multiply
    3,968.03x = 5,475.49 × 2,199.59
  4. Step 4: Simplify right side
    3,968.03x = 12,043,841.24
  5. Step 5: Solve for x
    x = 12,043,841.24/3,968.03
  6. Step 6: Final answer
    x = 3,035.22

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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.