Home / 7,381.28-10,183.96-4,395.60

Finding the Fourth Proportional to 7,381.28, 10,183.96 and 4,395.60

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Solution

The fourth proportional to 7,381.28, 10,183.96 and 4,395.60 is: 6,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.28 : 10,183.96 = 4,395.60 : x
  2. Step 2: Convert to fraction form
    7,381.28/10,183.96 = 4,395.60/x
  3. Step 3: Cross multiply
    7,381.28x = 10,183.96 × 4,395.60
  4. Step 4: Simplify right side
    7,381.28x = 44,764,614.58
  5. Step 5: Solve for x
    x = 44,764,614.58/7,381.28
  6. Step 6: Final answer
    x = 6,064.61

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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.