Home / 1,716.11-2,354.14-1,670.48

Finding the Fourth Proportional to 1,716.11, 2,354.14 and 1,670.48

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Solution

The fourth proportional to 1,716.11, 2,354.14 and 1,670.48 is: 2,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.11 : 2,354.14 = 1,670.48 : x
  2. Step 2: Convert to fraction form
    1,716.11/2,354.14 = 1,670.48/x
  3. Step 3: Cross multiply
    1,716.11x = 2,354.14 × 1,670.48
  4. Step 4: Simplify right side
    1,716.11x = 3,932,527.84
  5. Step 5: Solve for x
    x = 3,932,527.84/1,716.11
  6. Step 6: Final answer
    x = 2,291.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.