Home / 2,528.26-3,786.49-2,440.67

Finding the Fourth Proportional to 2,528.26, 3,786.49 and 2,440.67

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Solution

The fourth proportional to 2,528.26, 3,786.49 and 2,440.67 is: 3,655.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.26 : 3,786.49 = 2,440.67 : x
  2. Step 2: Convert to fraction form
    2,528.26/3,786.49 = 2,440.67/x
  3. Step 3: Cross multiply
    2,528.26x = 3,786.49 × 2,440.67
  4. Step 4: Simplify right side
    2,528.26x = 9,241,572.55
  5. Step 5: Solve for x
    x = 9,241,572.55/2,528.26
  6. Step 6: Final answer
    x = 3,655.31

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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.