Home / 3,967.56-5,475.30-2,199.28

Finding the Fourth Proportional to 3,967.56, 5,475.30 and 2,199.28

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Solution

The fourth proportional to 3,967.56, 5,475.30 and 2,199.28 is: 3,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.56 : 5,475.30 = 2,199.28 : x
  2. Step 2: Convert to fraction form
    3,967.56/5,475.30 = 2,199.28/x
  3. Step 3: Cross multiply
    3,967.56x = 5,475.30 × 2,199.28
  4. Step 4: Simplify right side
    3,967.56x = 12,041,717.78
  5. Step 5: Solve for x
    x = 12,041,717.78/3,967.56
  6. Step 6: Final answer
    x = 3,035.04

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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.