Home / 1,502.12-2,245.77-1,273.56

Finding the Fourth Proportional to 1,502.12, 2,245.77 and 1,273.56

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Solution

The fourth proportional to 1,502.12, 2,245.77 and 1,273.56 is: 1,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.12 : 2,245.77 = 1,273.56 : x
  2. Step 2: Convert to fraction form
    1,502.12/2,245.77 = 1,273.56/x
  3. Step 3: Cross multiply
    1,502.12x = 2,245.77 × 1,273.56
  4. Step 4: Simplify right side
    1,502.12x = 2,860,122.84
  5. Step 5: Solve for x
    x = 2,860,122.84/1,502.12
  6. Step 6: Final answer
    x = 1,904.06

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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.