Home / 5,228.71-7,843.14-1,531.01

Finding the Fourth Proportional to 5,228.71, 7,843.14 and 1,531.01

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Solution

The fourth proportional to 5,228.71, 7,843.14 and 1,531.01 is: 2,296.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.71 : 7,843.14 = 1,531.01 : x
  2. Step 2: Convert to fraction form
    5,228.71/7,843.14 = 1,531.01/x
  3. Step 3: Cross multiply
    5,228.71x = 7,843.14 × 1,531.01
  4. Step 4: Simplify right side
    5,228.71x = 12,007,945.38
  5. Step 5: Solve for x
    x = 12,007,945.38/5,228.71
  6. Step 6: Final answer
    x = 2,296.54

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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.