Home / 5,272.07-7,275.76-2,914.43

Finding the Fourth Proportional to 5,272.07, 7,275.76 and 2,914.43

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Solution

The fourth proportional to 5,272.07, 7,275.76 and 2,914.43 is: 4,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.07 : 7,275.76 = 2,914.43 : x
  2. Step 2: Convert to fraction form
    5,272.07/7,275.76 = 2,914.43/x
  3. Step 3: Cross multiply
    5,272.07x = 7,275.76 × 2,914.43
  4. Step 4: Simplify right side
    5,272.07x = 21,204,649.55
  5. Step 5: Solve for x
    x = 21,204,649.55/5,272.07
  6. Step 6: Final answer
    x = 4,022.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.