Home / 7,217.37-9,958.55-4,234.14

Finding the Fourth Proportional to 7,217.37, 9,958.55 and 4,234.14

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Solution

The fourth proportional to 7,217.37, 9,958.55 and 4,234.14 is: 5,842.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.37 : 9,958.55 = 4,234.14 : x
  2. Step 2: Convert to fraction form
    7,217.37/9,958.55 = 4,234.14/x
  3. Step 3: Cross multiply
    7,217.37x = 9,958.55 × 4,234.14
  4. Step 4: Simplify right side
    7,217.37x = 42,165,873.73
  5. Step 5: Solve for x
    x = 42,165,873.73/7,217.37
  6. Step 6: Final answer
    x = 5,842.28

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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.