Home / 2,716.63-3,749.14-1,537.70

Finding the Fourth Proportional to 2,716.63, 3,749.14 and 1,537.70

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Solution

The fourth proportional to 2,716.63, 3,749.14 and 1,537.70 is: 2,122.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.63 : 3,749.14 = 1,537.70 : x
  2. Step 2: Convert to fraction form
    2,716.63/3,749.14 = 1,537.70/x
  3. Step 3: Cross multiply
    2,716.63x = 3,749.14 × 1,537.70
  4. Step 4: Simplify right side
    2,716.63x = 5,765,044.89
  5. Step 5: Solve for x
    x = 5,765,044.89/2,716.63
  6. Step 6: Final answer
    x = 2,122.13

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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.