Home / 2,716.13-4,071.21-1,777.95

Finding the Fourth Proportional to 2,716.13, 4,071.21 and 1,777.95

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Solution

The fourth proportional to 2,716.13, 4,071.21 and 1,777.95 is: 2,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.13 : 4,071.21 = 1,777.95 : x
  2. Step 2: Convert to fraction form
    2,716.13/4,071.21 = 1,777.95/x
  3. Step 3: Cross multiply
    2,716.13x = 4,071.21 × 1,777.95
  4. Step 4: Simplify right side
    2,716.13x = 7,238,407.82
  5. Step 5: Solve for x
    x = 7,238,407.82/2,716.13
  6. Step 6: Final answer
    x = 2,664.98

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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.