Home / 5,272.32-7,275.84-2,914.53

Finding the Fourth Proportional to 5,272.32, 7,275.84 and 2,914.53

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Solution

The fourth proportional to 5,272.32, 7,275.84 and 2,914.53 is: 4,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.32 : 7,275.84 = 2,914.53 : x
  2. Step 2: Convert to fraction form
    5,272.32/7,275.84 = 2,914.53/x
  3. Step 3: Cross multiply
    5,272.32x = 7,275.84 × 2,914.53
  4. Step 4: Simplify right side
    5,272.32x = 21,205,653.96
  5. Step 5: Solve for x
    x = 21,205,653.96/5,272.32
  6. Step 6: Final answer
    x = 4,022.07

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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.