Home / 3,243.57-4,476.14-1,898.94

Finding the Fourth Proportional to 3,243.57, 4,476.14 and 1,898.94

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Solution

The fourth proportional to 3,243.57, 4,476.14 and 1,898.94 is: 2,620.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.57 : 4,476.14 = 1,898.94 : x
  2. Step 2: Convert to fraction form
    3,243.57/4,476.14 = 1,898.94/x
  3. Step 3: Cross multiply
    3,243.57x = 4,476.14 × 1,898.94
  4. Step 4: Simplify right side
    3,243.57x = 8,499,889.42
  5. Step 5: Solve for x
    x = 8,499,889.42/3,243.57
  6. Step 6: Final answer
    x = 2,620.54

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1.5x scale

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.