Home / 3,785.49-5,224.83-2,107.50

Finding the Fourth Proportional to 3,785.49, 5,224.83 and 2,107.50

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Solution

The fourth proportional to 3,785.49, 5,224.83 and 2,107.50 is: 2,908.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.49 : 5,224.83 = 2,107.50 : x
  2. Step 2: Convert to fraction form
    3,785.49/5,224.83 = 2,107.50/x
  3. Step 3: Cross multiply
    3,785.49x = 5,224.83 × 2,107.50
  4. Step 4: Simplify right side
    3,785.49x = 11,011,329.23
  5. Step 5: Solve for x
    x = 11,011,329.23/3,785.49
  6. Step 6: Final answer
    x = 2,908.83

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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.