Home / 2,255.48-3,384.63-2,236.91

Finding the Fourth Proportional to 2,255.48, 3,384.63 and 2,236.91

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Solution

The fourth proportional to 2,255.48, 3,384.63 and 2,236.91 is: 3,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.48 : 3,384.63 = 2,236.91 : x
  2. Step 2: Convert to fraction form
    2,255.48/3,384.63 = 2,236.91/x
  3. Step 3: Cross multiply
    2,255.48x = 3,384.63 × 2,236.91
  4. Step 4: Simplify right side
    2,255.48x = 7,571,095.77
  5. Step 5: Solve for x
    x = 7,571,095.77/2,255.48
  6. Step 6: Final answer
    x = 3,356.76

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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.