Home / 5,272.47-7,275.96-2,914.63

Finding the Fourth Proportional to 5,272.47, 7,275.96 and 2,914.63

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Solution

The fourth proportional to 5,272.47, 7,275.96 and 2,914.63 is: 4,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.47 : 7,275.96 = 2,914.63 : x
  2. Step 2: Convert to fraction form
    5,272.47/7,275.96 = 2,914.63/x
  3. Step 3: Cross multiply
    5,272.47x = 7,275.96 × 2,914.63
  4. Step 4: Simplify right side
    5,272.47x = 21,206,713.10
  5. Step 5: Solve for x
    x = 21,206,713.10/5,272.47
  6. Step 6: Final answer
    x = 4,022.16

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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.