Home / 2,258.51-3,402.81-2,039.38

Finding the Fourth Proportional to 2,258.51, 3,402.81 and 2,039.38

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Solution

The fourth proportional to 2,258.51, 3,402.81 and 2,039.38 is: 3,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.51 : 3,402.81 = 2,039.38 : x
  2. Step 2: Convert to fraction form
    2,258.51/3,402.81 = 2,039.38/x
  3. Step 3: Cross multiply
    2,258.51x = 3,402.81 × 2,039.38
  4. Step 4: Simplify right side
    2,258.51x = 6,939,614.15
  5. Step 5: Solve for x
    x = 6,939,614.15/2,258.51
  6. Step 6: Final answer
    x = 3,072.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.