Home / 2,795.11-3,858.80-1,676.32

Finding the Fourth Proportional to 2,795.11, 3,858.80 and 1,676.32

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Solution

The fourth proportional to 2,795.11, 3,858.80 and 1,676.32 is: 2,314.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.11 : 3,858.80 = 1,676.32 : x
  2. Step 2: Convert to fraction form
    2,795.11/3,858.80 = 1,676.32/x
  3. Step 3: Cross multiply
    2,795.11x = 3,858.80 × 1,676.32
  4. Step 4: Simplify right side
    2,795.11x = 6,468,588.23
  5. Step 5: Solve for x
    x = 6,468,588.23/2,795.11
  6. Step 6: Final answer
    x = 2,314.25

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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.