Home / 3,401.90-4,695.14-2,076.38

Finding the Fourth Proportional to 3,401.90, 4,695.14 and 2,076.38

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Solution

The fourth proportional to 3,401.90, 4,695.14 and 2,076.38 is: 2,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.90 : 4,695.14 = 2,076.38 : x
  2. Step 2: Convert to fraction form
    3,401.90/4,695.14 = 2,076.38/x
  3. Step 3: Cross multiply
    3,401.90x = 4,695.14 × 2,076.38
  4. Step 4: Simplify right side
    3,401.90x = 9,748,860.94
  5. Step 5: Solve for x
    x = 9,748,860.94/3,401.90
  6. Step 6: Final answer
    x = 2,865.71

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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.