Home / 7,333.75-10,120.58-4,021.75

Finding the Fourth Proportional to 7,333.75, 10,120.58 and 4,021.75

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Solution

The fourth proportional to 7,333.75, 10,120.58 and 4,021.75 is: 5,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,333.75 : 10,120.58 = 4,021.75 : x
  2. Step 2: Convert to fraction form
    7,333.75/10,120.58 = 4,021.75/x
  3. Step 3: Cross multiply
    7,333.75x = 10,120.58 × 4,021.75
  4. Step 4: Simplify right side
    7,333.75x = 40,702,442.62
  5. Step 5: Solve for x
    x = 40,702,442.62/7,333.75
  6. Step 6: Final answer
    x = 5,550.02

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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.