Home / 5,324.43-7,981.25-2,547.03

Finding the Fourth Proportional to 5,324.43, 7,981.25 and 2,547.03

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Solution

The fourth proportional to 5,324.43, 7,981.25 and 2,547.03 is: 3,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324.43 : 7,981.25 = 2,547.03 : x
  2. Step 2: Convert to fraction form
    5,324.43/7,981.25 = 2,547.03/x
  3. Step 3: Cross multiply
    5,324.43x = 7,981.25 × 2,547.03
  4. Step 4: Simplify right side
    5,324.43x = 20,328,470.45
  5. Step 5: Solve for x
    x = 20,328,470.45/5,324.43
  6. Step 6: Final answer
    x = 3,817.96

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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.