Home / 2,361.36-3,258.51-1,313.43

Finding the Fourth Proportional to 2,361.36, 3,258.51 and 1,313.43

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Solution

The fourth proportional to 2,361.36, 3,258.51 and 1,313.43 is: 1,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.36 : 3,258.51 = 1,313.43 : x
  2. Step 2: Convert to fraction form
    2,361.36/3,258.51 = 1,313.43/x
  3. Step 3: Cross multiply
    2,361.36x = 3,258.51 × 1,313.43
  4. Step 4: Simplify right side
    2,361.36x = 4,279,824.79
  5. Step 5: Solve for x
    x = 4,279,824.79/2,361.36
  6. Step 6: Final answer
    x = 1,812.44

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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.