Home / 1,914.12-2,862.81-1,651.68

Finding the Fourth Proportional to 1,914.12, 2,862.81 and 1,651.68

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Solution

The fourth proportional to 1,914.12, 2,862.81 and 1,651.68 is: 2,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.12 : 2,862.81 = 1,651.68 : x
  2. Step 2: Convert to fraction form
    1,914.12/2,862.81 = 1,651.68/x
  3. Step 3: Cross multiply
    1,914.12x = 2,862.81 × 1,651.68
  4. Step 4: Simplify right side
    1,914.12x = 4,728,446.02
  5. Step 5: Solve for x
    x = 4,728,446.02/1,914.12
  6. Step 6: Final answer
    x = 2,470.30

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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.