Home / 3,850.49-5,313.73-2,357.86

Finding the Fourth Proportional to 3,850.49, 5,313.73 and 2,357.86

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Solution

The fourth proportional to 3,850.49, 5,313.73 and 2,357.86 is: 3,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.49 : 5,313.73 = 2,357.86 : x
  2. Step 2: Convert to fraction form
    3,850.49/5,313.73 = 2,357.86/x
  3. Step 3: Cross multiply
    3,850.49x = 5,313.73 × 2,357.86
  4. Step 4: Simplify right side
    3,850.49x = 12,529,019.99
  5. Step 5: Solve for x
    x = 12,529,019.99/3,850.49
  6. Step 6: Final answer
    x = 3,253.88

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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.