Home / 7,084.86-10,627.28-2,154.52

Finding the Fourth Proportional to 7,084.86, 10,627.28 and 2,154.52

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Solution

The fourth proportional to 7,084.86, 10,627.28 and 2,154.52 is: 3,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.86 : 10,627.28 = 2,154.52 : x
  2. Step 2: Convert to fraction form
    7,084.86/10,627.28 = 2,154.52/x
  3. Step 3: Cross multiply
    7,084.86x = 10,627.28 × 2,154.52
  4. Step 4: Simplify right side
    7,084.86x = 22,896,687.31
  5. Step 5: Solve for x
    x = 22,896,687.31/7,084.86
  6. Step 6: Final answer
    x = 3,231.78

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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.