Home / 5,255.71-7,253.01-3,018.02

Finding the Fourth Proportional to 5,255.71, 7,253.01 and 3,018.02

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Solution

The fourth proportional to 5,255.71, 7,253.01 and 3,018.02 is: 4,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.71 : 7,253.01 = 3,018.02 : x
  2. Step 2: Convert to fraction form
    5,255.71/7,253.01 = 3,018.02/x
  3. Step 3: Cross multiply
    5,255.71x = 7,253.01 × 3,018.02
  4. Step 4: Simplify right side
    5,255.71x = 21,889,718.65
  5. Step 5: Solve for x
    x = 21,889,718.65/5,255.71
  6. Step 6: Final answer
    x = 4,164.94

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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.