Home / 2,135.41-3,202.77-674.24

Finding the Fourth Proportional to 2,135.41, 3,202.77 and 674.24

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Solution

The fourth proportional to 2,135.41, 3,202.77 and 674.24 is: 1,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.41 : 3,202.77 = 674.24 : x
  2. Step 2: Convert to fraction form
    2,135.41/3,202.77 = 674.24/x
  3. Step 3: Cross multiply
    2,135.41x = 3,202.77 × 674.24
  4. Step 4: Simplify right side
    2,135.41x = 2,159,422.16
  5. Step 5: Solve for x
    x = 2,159,422.16/2,135.41
  6. Step 6: Final answer
    x = 1,011.25

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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.