Home / 1,361.52-2,043.20-1,356.51

Finding the Fourth Proportional to 1,361.52, 2,043.20 and 1,356.51

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Solution

The fourth proportional to 1,361.52, 2,043.20 and 1,356.51 is: 2,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.52 : 2,043.20 = 1,356.51 : x
  2. Step 2: Convert to fraction form
    1,361.52/2,043.20 = 1,356.51/x
  3. Step 3: Cross multiply
    1,361.52x = 2,043.20 × 1,356.51
  4. Step 4: Simplify right side
    1,361.52x = 2,771,614.45
  5. Step 5: Solve for x
    x = 2,771,614.45/1,361.52
  6. Step 6: Final answer
    x = 2,035.68

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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.