Home / 7,220.99-10,832.83-2,289.30

Finding the Fourth Proportional to 7,220.99, 10,832.83 and 2,289.30

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Solution

The fourth proportional to 7,220.99, 10,832.83 and 2,289.30 is: 3,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.99 : 10,832.83 = 2,289.30 : x
  2. Step 2: Convert to fraction form
    7,220.99/10,832.83 = 2,289.30/x
  3. Step 3: Cross multiply
    7,220.99x = 10,832.83 × 2,289.30
  4. Step 4: Simplify right side
    7,220.99x = 24,799,592.00
  5. Step 5: Solve for x
    x = 24,799,592.00/7,220.99
  6. Step 6: Final answer
    x = 3,434.38

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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.