Home / 3,133.44-4,314.29-2,660.36

Finding the Fourth Proportional to 3,133.44, 4,314.29 and 2,660.36

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Solution

The fourth proportional to 3,133.44, 4,314.29 and 2,660.36 is: 3,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.44 : 4,314.29 = 2,660.36 : x
  2. Step 2: Convert to fraction form
    3,133.44/4,314.29 = 2,660.36/x
  3. Step 3: Cross multiply
    3,133.44x = 4,314.29 × 2,660.36
  4. Step 4: Simplify right side
    3,133.44x = 11,477,529.67
  5. Step 5: Solve for x
    x = 11,477,529.67/3,133.44
  6. Step 6: Final answer
    x = 3,662.92

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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.