Home / 2,910.07-4,365.30-1,266.73

Finding the Fourth Proportional to 2,910.07, 4,365.30 and 1,266.73

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Solution

The fourth proportional to 2,910.07, 4,365.30 and 1,266.73 is: 1,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.07 : 4,365.30 = 1,266.73 : x
  2. Step 2: Convert to fraction form
    2,910.07/4,365.30 = 1,266.73/x
  3. Step 3: Cross multiply
    2,910.07x = 4,365.30 × 1,266.73
  4. Step 4: Simplify right side
    2,910.07x = 5,529,656.47
  5. Step 5: Solve for x
    x = 5,529,656.47/2,910.07
  6. Step 6: Final answer
    x = 1,900.18

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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.