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Finding the Fourth Proportional to 2,110.88, 2,913 and 1,324.88

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Solution

The fourth proportional to 2,110.88, 2,913 and 1,324.88 is: 1,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.88 : 2,913 = 1,324.88 : x
  2. Step 2: Convert to fraction form
    2,110.88/2,913 = 1,324.88/x
  3. Step 3: Cross multiply
    2,110.88x = 2,913 × 1,324.88
  4. Step 4: Simplify right side
    2,110.88x = 3,859,375.44
  5. Step 5: Solve for x
    x = 3,859,375.44/2,110.88
  6. Step 6: Final answer
    x = 1,828.33

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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.