Home / 2,716.55-3,748.70-1,668.59

Finding the Fourth Proportional to 2,716.55, 3,748.70 and 1,668.59

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Solution

The fourth proportional to 2,716.55, 3,748.70 and 1,668.59 is: 2,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.55 : 3,748.70 = 1,668.59 : x
  2. Step 2: Convert to fraction form
    2,716.55/3,748.70 = 1,668.59/x
  3. Step 3: Cross multiply
    2,716.55x = 3,748.70 × 1,668.59
  4. Step 4: Simplify right side
    2,716.55x = 6,255,028.76
  5. Step 5: Solve for x
    x = 6,255,028.76/2,716.55
  6. Step 6: Final answer
    x = 2,302.57

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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.