Home / 2,378.24-3,274.04-2,045.33

Finding the Fourth Proportional to 2,378.24, 3,274.04 and 2,045.33

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Solution

The fourth proportional to 2,378.24, 3,274.04 and 2,045.33 is: 2,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.24 : 3,274.04 = 2,045.33 : x
  2. Step 2: Convert to fraction form
    2,378.24/3,274.04 = 2,045.33/x
  3. Step 3: Cross multiply
    2,378.24x = 3,274.04 × 2,045.33
  4. Step 4: Simplify right side
    2,378.24x = 6,696,480.98
  5. Step 5: Solve for x
    x = 6,696,480.98/2,378.24
  6. Step 6: Final answer
    x = 2,815.74

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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.