Home / 5,246.14-7,870.56-1,959.25

Finding the Fourth Proportional to 5,246.14, 7,870.56 and 1,959.25

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Solution

The fourth proportional to 5,246.14, 7,870.56 and 1,959.25 is: 2,939.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.14 : 7,870.56 = 1,959.25 : x
  2. Step 2: Convert to fraction form
    5,246.14/7,870.56 = 1,959.25/x
  3. Step 3: Cross multiply
    5,246.14x = 7,870.56 × 1,959.25
  4. Step 4: Simplify right side
    5,246.14x = 15,420,394.68
  5. Step 5: Solve for x
    x = 15,420,394.68/5,246.14
  6. Step 6: Final answer
    x = 2,939.38

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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.