Home / 3,278.72-4,525.43-2,083.34

Finding the Fourth Proportional to 3,278.72, 4,525.43 and 2,083.34

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Solution

The fourth proportional to 3,278.72, 4,525.43 and 2,083.34 is: 2,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.72 : 4,525.43 = 2,083.34 : x
  2. Step 2: Convert to fraction form
    3,278.72/4,525.43 = 2,083.34/x
  3. Step 3: Cross multiply
    3,278.72x = 4,525.43 × 2,083.34
  4. Step 4: Simplify right side
    3,278.72x = 9,427,976.29
  5. Step 5: Solve for x
    x = 9,427,976.29/3,278.72
  6. Step 6: Final answer
    x = 2,875.51

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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.