Home / 3,967.28-5,474.48-2,395.92

Finding the Fourth Proportional to 3,967.28, 5,474.48 and 2,395.92

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Solution

The fourth proportional to 3,967.28, 5,474.48 and 2,395.92 is: 3,306.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.28 : 5,474.48 = 2,395.92 : x
  2. Step 2: Convert to fraction form
    3,967.28/5,474.48 = 2,395.92/x
  3. Step 3: Cross multiply
    3,967.28x = 5,474.48 × 2,395.92
  4. Step 4: Simplify right side
    3,967.28x = 13,116,416.12
  5. Step 5: Solve for x
    x = 13,116,416.12/3,967.28
  6. Step 6: Final answer
    x = 3,306.15

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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.