Home / 1,839.67-2,536.09-1,314.79

Finding the Fourth Proportional to 1,839.67, 2,536.09 and 1,314.79

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Solution

The fourth proportional to 1,839.67, 2,536.09 and 1,314.79 is: 1,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.67 : 2,536.09 = 1,314.79 : x
  2. Step 2: Convert to fraction form
    1,839.67/2,536.09 = 1,314.79/x
  3. Step 3: Cross multiply
    1,839.67x = 2,536.09 × 1,314.79
  4. Step 4: Simplify right side
    1,839.67x = 3,334,416.14
  5. Step 5: Solve for x
    x = 3,334,416.14/1,839.67
  6. Step 6: Final answer
    x = 1,812.51

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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.