Home / 2,716.10-4,074.37-867.47

Finding the Fourth Proportional to 2,716.10, 4,074.37 and 867.47

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Solution

The fourth proportional to 2,716.10, 4,074.37 and 867.47 is: 1,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.10 : 4,074.37 = 867.47 : x
  2. Step 2: Convert to fraction form
    2,716.10/4,074.37 = 867.47/x
  3. Step 3: Cross multiply
    2,716.10x = 4,074.37 × 867.47
  4. Step 4: Simplify right side
    2,716.10x = 3,534,393.74
  5. Step 5: Solve for x
    x = 3,534,393.74/2,716.10
  6. Step 6: Final answer
    x = 1,301.28

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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.