Home / 2,328.54-3,474.66-2,121.54

Finding the Fourth Proportional to 2,328.54, 3,474.66 and 2,121.54

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Solution

The fourth proportional to 2,328.54, 3,474.66 and 2,121.54 is: 3,165.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.54 : 3,474.66 = 2,121.54 : x
  2. Step 2: Convert to fraction form
    2,328.54/3,474.66 = 2,121.54/x
  3. Step 3: Cross multiply
    2,328.54x = 3,474.66 × 2,121.54
  4. Step 4: Simplify right side
    2,328.54x = 7,371,630.18
  5. Step 5: Solve for x
    x = 7,371,630.18/2,328.54
  6. Step 6: Final answer
    x = 3,165.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.