Home / 4,162.78-5,744.59-2,299.78

Finding the Fourth Proportional to 4,162.78, 5,744.59 and 2,299.78

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Solution

The fourth proportional to 4,162.78, 5,744.59 and 2,299.78 is: 3,173.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.78 : 5,744.59 = 2,299.78 : x
  2. Step 2: Convert to fraction form
    4,162.78/5,744.59 = 2,299.78/x
  3. Step 3: Cross multiply
    4,162.78x = 5,744.59 × 2,299.78
  4. Step 4: Simplify right side
    4,162.78x = 13,211,293.19
  5. Step 5: Solve for x
    x = 13,211,293.19/4,162.78
  6. Step 6: Final answer
    x = 3,173.67

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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.