Home / 2,976.66-4,465.38-1,394.28

Finding the Fourth Proportional to 2,976.66, 4,465.38 and 1,394.28

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Solution

The fourth proportional to 2,976.66, 4,465.38 and 1,394.28 is: 2,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.66 : 4,465.38 = 1,394.28 : x
  2. Step 2: Convert to fraction form
    2,976.66/4,465.38 = 1,394.28/x
  3. Step 3: Cross multiply
    2,976.66x = 4,465.38 × 1,394.28
  4. Step 4: Simplify right side
    2,976.66x = 6,225,990.03
  5. Step 5: Solve for x
    x = 6,225,990.03/2,976.66
  6. Step 6: Final answer
    x = 2,091.60

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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.