Home / 4,178.73-5,765.12-2,500.18

Finding the Fourth Proportional to 4,178.73, 5,765.12 and 2,500.18

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Solution

The fourth proportional to 4,178.73, 5,765.12 and 2,500.18 is: 3,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.73 : 5,765.12 = 2,500.18 : x
  2. Step 2: Convert to fraction form
    4,178.73/5,765.12 = 2,500.18/x
  3. Step 3: Cross multiply
    4,178.73x = 5,765.12 × 2,500.18
  4. Step 4: Simplify right side
    4,178.73x = 14,413,825.22
  5. Step 5: Solve for x
    x = 14,413,825.22/4,178.73
  6. Step 6: Final answer
    x = 3,449.34

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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.