Home / 7,220.41-9,960.37-4,563.21

Finding the Fourth Proportional to 7,220.41, 9,960.37 and 4,563.21

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Solution

The fourth proportional to 7,220.41, 9,960.37 and 4,563.21 is: 6,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.41 : 9,960.37 = 4,563.21 : x
  2. Step 2: Convert to fraction form
    7,220.41/9,960.37 = 4,563.21/x
  3. Step 3: Cross multiply
    7,220.41x = 9,960.37 × 4,563.21
  4. Step 4: Simplify right side
    7,220.41x = 45,451,259.99
  5. Step 5: Solve for x
    x = 45,451,259.99/7,220.41
  6. Step 6: Final answer
    x = 6,294.83

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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.