Home / 3,968.30-5,476.26-2,199.94

Finding the Fourth Proportional to 3,968.30, 5,476.26 and 2,199.94

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Solution

The fourth proportional to 3,968.30, 5,476.26 and 2,199.94 is: 3,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.30 : 5,476.26 = 2,199.94 : x
  2. Step 2: Convert to fraction form
    3,968.30/5,476.26 = 2,199.94/x
  3. Step 3: Cross multiply
    3,968.30x = 5,476.26 × 2,199.94
  4. Step 4: Simplify right side
    3,968.30x = 12,047,443.42
  5. Step 5: Solve for x
    x = 12,047,443.42/3,968.30
  6. Step 6: Final answer
    x = 3,035.92

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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.