Home / 4,509.27-6,221.43-2,620.50

Finding the Fourth Proportional to 4,509.27, 6,221.43 and 2,620.50

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Solution

The fourth proportional to 4,509.27, 6,221.43 and 2,620.50 is: 3,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.27 : 6,221.43 = 2,620.50 : x
  2. Step 2: Convert to fraction form
    4,509.27/6,221.43 = 2,620.50/x
  3. Step 3: Cross multiply
    4,509.27x = 6,221.43 × 2,620.50
  4. Step 4: Simplify right side
    4,509.27x = 16,303,257.32
  5. Step 5: Solve for x
    x = 16,303,257.32/4,509.27
  6. Step 6: Final answer
    x = 3,615.50

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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.