Home / 2,361.09-3,258.25-1,313.13

Finding the Fourth Proportional to 2,361.09, 3,258.25 and 1,313.13

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Solution

The fourth proportional to 2,361.09, 3,258.25 and 1,313.13 is: 1,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.09 : 3,258.25 = 1,313.13 : x
  2. Step 2: Convert to fraction form
    2,361.09/3,258.25 = 1,313.13/x
  3. Step 3: Cross multiply
    2,361.09x = 3,258.25 × 1,313.13
  4. Step 4: Simplify right side
    2,361.09x = 4,278,505.82
  5. Step 5: Solve for x
    x = 4,278,505.82/2,361.09
  6. Step 6: Final answer
    x = 1,812.09

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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.