Home / 2,361.08-3,258.42-1,313.12

Finding the Fourth Proportional to 2,361.08, 3,258.42 and 1,313.12

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Solution

The fourth proportional to 2,361.08, 3,258.42 and 1,313.12 is: 1,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.08 : 3,258.42 = 1,313.12 : x
  2. Step 2: Convert to fraction form
    2,361.08/3,258.42 = 1,313.12/x
  3. Step 3: Cross multiply
    2,361.08x = 3,258.42 × 1,313.12
  4. Step 4: Simplify right side
    2,361.08x = 4,278,696.47
  5. Step 5: Solve for x
    x = 4,278,696.47/2,361.08
  6. Step 6: Final answer
    x = 1,812.18

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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.