Home / 1,773.15-2,447.18-1,277.43

Finding the Fourth Proportional to 1,773.15, 2,447.18 and 1,277.43

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Solution

The fourth proportional to 1,773.15, 2,447.18 and 1,277.43 is: 1,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.15 : 2,447.18 = 1,277.43 : x
  2. Step 2: Convert to fraction form
    1,773.15/2,447.18 = 1,277.43/x
  3. Step 3: Cross multiply
    1,773.15x = 2,447.18 × 1,277.43
  4. Step 4: Simplify right side
    1,773.15x = 3,126,101.15
  5. Step 5: Solve for x
    x = 3,126,101.15/1,773.15
  6. Step 6: Final answer
    x = 1,763.02

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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.