Home / 1,968.12-2,953.55-1,273.06

Finding the Fourth Proportional to 1,968.12, 2,953.55 and 1,273.06

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Solution

The fourth proportional to 1,968.12, 2,953.55 and 1,273.06 is: 1,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.12 : 2,953.55 = 1,273.06 : x
  2. Step 2: Convert to fraction form
    1,968.12/2,953.55 = 1,273.06/x
  3. Step 3: Cross multiply
    1,968.12x = 2,953.55 × 1,273.06
  4. Step 4: Simplify right side
    1,968.12x = 3,760,032.61
  5. Step 5: Solve for x
    x = 3,760,032.61/1,968.12
  6. Step 6: Final answer
    x = 1,910.47

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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.