Home / 3,943.11-5,441.51-2,174.71

Finding the Fourth Proportional to 3,943.11, 5,441.51 and 2,174.71

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Solution

The fourth proportional to 3,943.11, 5,441.51 and 2,174.71 is: 3,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.11 : 5,441.51 = 2,174.71 : x
  2. Step 2: Convert to fraction form
    3,943.11/5,441.51 = 2,174.71/x
  3. Step 3: Cross multiply
    3,943.11x = 5,441.51 × 2,174.71
  4. Step 4: Simplify right side
    3,943.11x = 11,833,695.34
  5. Step 5: Solve for x
    x = 11,833,695.34/3,943.11
  6. Step 6: Final answer
    x = 3,001.11

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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.