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Finding the Fourth Proportional to 2,481.13, 3,721.34 and 837.46

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Solution

The fourth proportional to 2,481.13, 3,721.34 and 837.46 is: 1,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.13 : 3,721.34 = 837.46 : x
  2. Step 2: Convert to fraction form
    2,481.13/3,721.34 = 837.46/x
  3. Step 3: Cross multiply
    2,481.13x = 3,721.34 × 837.46
  4. Step 4: Simplify right side
    2,481.13x = 3,116,473.40
  5. Step 5: Solve for x
    x = 3,116,473.40/2,481.13
  6. Step 6: Final answer
    x = 1,256.07

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1.5x scale

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.