Home / 4,119.73-5,685.14-2,351.30

Finding the Fourth Proportional to 4,119.73, 5,685.14 and 2,351.30

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Solution

The fourth proportional to 4,119.73, 5,685.14 and 2,351.30 is: 3,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.73 : 5,685.14 = 2,351.30 : x
  2. Step 2: Convert to fraction form
    4,119.73/5,685.14 = 2,351.30/x
  3. Step 3: Cross multiply
    4,119.73x = 5,685.14 × 2,351.30
  4. Step 4: Simplify right side
    4,119.73x = 13,367,447.13
  5. Step 5: Solve for x
    x = 13,367,447.13/4,119.73
  6. Step 6: Final answer
    x = 3,244.74

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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.