Home / 7,919.26-11,875.54-2,373.39

Finding the Fourth Proportional to 7,919.26, 11,875.54 and 2,373.39

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Solution

The fourth proportional to 7,919.26, 11,875.54 and 2,373.39 is: 3,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.26 : 11,875.54 = 2,373.39 : x
  2. Step 2: Convert to fraction form
    7,919.26/11,875.54 = 2,373.39/x
  3. Step 3: Cross multiply
    7,919.26x = 11,875.54 × 2,373.39
  4. Step 4: Simplify right side
    7,919.26x = 28,185,287.88
  5. Step 5: Solve for x
    x = 28,185,287.88/7,919.26
  6. Step 6: Final answer
    x = 3,559.08

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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.