Home / 1,361.87-2,043.59-1,133.53

Finding the Fourth Proportional to 1,361.87, 2,043.59 and 1,133.53

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Solution

The fourth proportional to 1,361.87, 2,043.59 and 1,133.53 is: 1,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.87 : 2,043.59 = 1,133.53 : x
  2. Step 2: Convert to fraction form
    1,361.87/2,043.59 = 1,133.53/x
  3. Step 3: Cross multiply
    1,361.87x = 2,043.59 × 1,133.53
  4. Step 4: Simplify right side
    1,361.87x = 2,316,454.69
  5. Step 5: Solve for x
    x = 2,316,454.69/1,361.87
  6. Step 6: Final answer
    x = 1,700.94

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1.5x scale

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.