Home / 3,761.88-5,191.48-2,083.32

Finding the Fourth Proportional to 3,761.88, 5,191.48 and 2,083.32

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Solution

The fourth proportional to 3,761.88, 5,191.48 and 2,083.32 is: 2,875.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.88 : 5,191.48 = 2,083.32 : x
  2. Step 2: Convert to fraction form
    3,761.88/5,191.48 = 2,083.32/x
  3. Step 3: Cross multiply
    3,761.88x = 5,191.48 × 2,083.32
  4. Step 4: Simplify right side
    3,761.88x = 10,815,514.11
  5. Step 5: Solve for x
    x = 10,815,514.11/3,761.88
  6. Step 6: Final answer
    x = 2,875.03

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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.