Home / 4,944.05-7,421.84-3,278.68

Finding the Fourth Proportional to 4,944.05, 7,421.84 and 3,278.68

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Solution

The fourth proportional to 4,944.05, 7,421.84 and 3,278.68 is: 4,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.05 : 7,421.84 = 3,278.68 : x
  2. Step 2: Convert to fraction form
    4,944.05/7,421.84 = 3,278.68/x
  3. Step 3: Cross multiply
    4,944.05x = 7,421.84 × 3,278.68
  4. Step 4: Simplify right side
    4,944.05x = 24,333,838.37
  5. Step 5: Solve for x
    x = 24,333,838.37/4,944.05
  6. Step 6: Final answer
    x = 4,921.84

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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.