Home / 2,475.36-3,694.86-2,107.44

Finding the Fourth Proportional to 2,475.36, 3,694.86 and 2,107.44

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Solution

The fourth proportional to 2,475.36, 3,694.86 and 2,107.44 is: 3,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.36 : 3,694.86 = 2,107.44 : x
  2. Step 2: Convert to fraction form
    2,475.36/3,694.86 = 2,107.44/x
  3. Step 3: Cross multiply
    2,475.36x = 3,694.86 × 2,107.44
  4. Step 4: Simplify right side
    2,475.36x = 7,786,695.76
  5. Step 5: Solve for x
    x = 7,786,695.76/2,475.36
  6. Step 6: Final answer
    x = 3,145.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.