Home / 1,836.77-2,535.18-1,173.38

Finding the Fourth Proportional to 1,836.77, 2,535.18 and 1,173.38

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Solution

The fourth proportional to 1,836.77, 2,535.18 and 1,173.38 is: 1,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.77 : 2,535.18 = 1,173.38 : x
  2. Step 2: Convert to fraction form
    1,836.77/2,535.18 = 1,173.38/x
  3. Step 3: Cross multiply
    1,836.77x = 2,535.18 × 1,173.38
  4. Step 4: Simplify right side
    1,836.77x = 2,974,729.51
  5. Step 5: Solve for x
    x = 2,974,729.51/1,836.77
  6. Step 6: Final answer
    x = 1,619.54

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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.