Home / 5,254.07-7,881.36-2,132.47

Finding the Fourth Proportional to 5,254.07, 7,881.36 and 2,132.47

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Solution

The fourth proportional to 5,254.07, 7,881.36 and 2,132.47 is: 3,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.07 : 7,881.36 = 2,132.47 : x
  2. Step 2: Convert to fraction form
    5,254.07/7,881.36 = 2,132.47/x
  3. Step 3: Cross multiply
    5,254.07x = 7,881.36 × 2,132.47
  4. Step 4: Simplify right side
    5,254.07x = 16,806,763.76
  5. Step 5: Solve for x
    x = 16,806,763.76/5,254.07
  6. Step 6: Final answer
    x = 3,198.81

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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.