Home / 5,555.75-8,331.20-2,223.01

Finding the Fourth Proportional to 5,555.75, 8,331.20 and 2,223.01

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Solution

The fourth proportional to 5,555.75, 8,331.20 and 2,223.01 is: 3,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.75 : 8,331.20 = 2,223.01 : x
  2. Step 2: Convert to fraction form
    5,555.75/8,331.20 = 2,223.01/x
  3. Step 3: Cross multiply
    5,555.75x = 8,331.20 × 2,223.01
  4. Step 4: Simplify right side
    5,555.75x = 18,520,288.14
  5. Step 5: Solve for x
    x = 18,520,288.14/5,555.75
  6. Step 6: Final answer
    x = 3,333.54

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Double scale
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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.