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Finding the Fourth Proportional to 2,795.51, 3,858.03 and 1,676.50

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Solution

The fourth proportional to 2,795.51, 3,858.03 and 1,676.50 is: 2,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.51 : 3,858.03 = 1,676.50 : x
  2. Step 2: Convert to fraction form
    2,795.51/3,858.03 = 1,676.50/x
  3. Step 3: Cross multiply
    2,795.51x = 3,858.03 × 1,676.50
  4. Step 4: Simplify right side
    2,795.51x = 6,467,977.65
  5. Step 5: Solve for x
    x = 6,467,977.65/2,795.51
  6. Step 6: Final answer
    x = 2,313.70

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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.