Home / 7,959.48-11,938.38-2,036.40

Finding the Fourth Proportional to 7,959.48, 11,938.38 and 2,036.40

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Solution

The fourth proportional to 7,959.48, 11,938.38 and 2,036.40 is: 3,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.48 : 11,938.38 = 2,036.40 : x
  2. Step 2: Convert to fraction form
    7,959.48/11,938.38 = 2,036.40/x
  3. Step 3: Cross multiply
    7,959.48x = 11,938.38 × 2,036.40
  4. Step 4: Simplify right side
    7,959.48x = 24,311,317.03
  5. Step 5: Solve for x
    x = 24,311,317.03/7,959.48
  6. Step 6: Final answer
    x = 3,054.39

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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.