Home / 3,968.01-5,476.07-2,199.58

Finding the Fourth Proportional to 3,968.01, 5,476.07 and 2,199.58

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Solution

The fourth proportional to 3,968.01, 5,476.07 and 2,199.58 is: 3,035.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.01 : 5,476.07 = 2,199.58 : x
  2. Step 2: Convert to fraction form
    3,968.01/5,476.07 = 2,199.58/x
  3. Step 3: Cross multiply
    3,968.01x = 5,476.07 × 2,199.58
  4. Step 4: Simplify right side
    3,968.01x = 12,045,045.86
  5. Step 5: Solve for x
    x = 12,045,045.86/3,968.01
  6. Step 6: Final answer
    x = 3,035.54

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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.