Home / 7,372.20-10,173.66-4,015.02

Finding the Fourth Proportional to 7,372.20, 10,173.66 and 4,015.02

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Solution

The fourth proportional to 7,372.20, 10,173.66 and 4,015.02 is: 5,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.20 : 10,173.66 = 4,015.02 : x
  2. Step 2: Convert to fraction form
    7,372.20/10,173.66 = 4,015.02/x
  3. Step 3: Cross multiply
    7,372.20x = 10,173.66 × 4,015.02
  4. Step 4: Simplify right side
    7,372.20x = 40,847,448.37
  5. Step 5: Solve for x
    x = 40,847,448.37/7,372.20
  6. Step 6: Final answer
    x = 5,540.74

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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.