Home / 5,258.39-7,882.70-1,973.66

Finding the Fourth Proportional to 5,258.39, 7,882.70 and 1,973.66

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Solution

The fourth proportional to 5,258.39, 7,882.70 and 1,973.66 is: 2,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.39 : 7,882.70 = 1,973.66 : x
  2. Step 2: Convert to fraction form
    5,258.39/7,882.70 = 1,973.66/x
  3. Step 3: Cross multiply
    5,258.39x = 7,882.70 × 1,973.66
  4. Step 4: Simplify right side
    5,258.39x = 15,557,720.40
  5. Step 5: Solve for x
    x = 15,557,720.40/5,258.39
  6. Step 6: Final answer
    x = 2,958.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.