Home / 3,116.29-4,300.41-1,719.04

Finding the Fourth Proportional to 3,116.29, 4,300.41 and 1,719.04

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Solution

The fourth proportional to 3,116.29, 4,300.41 and 1,719.04 is: 2,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.29 : 4,300.41 = 1,719.04 : x
  2. Step 2: Convert to fraction form
    3,116.29/4,300.41 = 1,719.04/x
  3. Step 3: Cross multiply
    3,116.29x = 4,300.41 × 1,719.04
  4. Step 4: Simplify right side
    3,116.29x = 7,392,546.71
  5. Step 5: Solve for x
    x = 7,392,546.71/3,116.29
  6. Step 6: Final answer
    x = 2,372.23

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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.