Home / 4,499.36-6,750.96-2,190.24

Finding the Fourth Proportional to 4,499.36, 6,750.96 and 2,190.24

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Solution

The fourth proportional to 4,499.36, 6,750.96 and 2,190.24 is: 3,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.36 : 6,750.96 = 2,190.24 : x
  2. Step 2: Convert to fraction form
    4,499.36/6,750.96 = 2,190.24/x
  3. Step 3: Cross multiply
    4,499.36x = 6,750.96 × 2,190.24
  4. Step 4: Simplify right side
    4,499.36x = 14,786,222.63
  5. Step 5: Solve for x
    x = 14,786,222.63/4,499.36
  6. Step 6: Final answer
    x = 3,286.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.