Home / 2,716.86-4,077.35-1,792.11

Finding the Fourth Proportional to 2,716.86, 4,077.35 and 1,792.11

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Solution

The fourth proportional to 2,716.86, 4,077.35 and 1,792.11 is: 2,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.86 : 4,077.35 = 1,792.11 : x
  2. Step 2: Convert to fraction form
    2,716.86/4,077.35 = 1,792.11/x
  3. Step 3: Cross multiply
    2,716.86x = 4,077.35 × 1,792.11
  4. Step 4: Simplify right side
    2,716.86x = 7,307,064.19
  5. Step 5: Solve for x
    x = 7,307,064.19/2,716.86
  6. Step 6: Final answer
    x = 2,689.53

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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.