Home / 5,878.80-8,816.28-2,180.88

Finding the Fourth Proportional to 5,878.80, 8,816.28 and 2,180.88

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Solution

The fourth proportional to 5,878.80, 8,816.28 and 2,180.88 is: 3,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.80 : 8,816.28 = 2,180.88 : x
  2. Step 2: Convert to fraction form
    5,878.80/8,816.28 = 2,180.88/x
  3. Step 3: Cross multiply
    5,878.80x = 8,816.28 × 2,180.88
  4. Step 4: Simplify right side
    5,878.80x = 19,227,248.73
  5. Step 5: Solve for x
    x = 19,227,248.73/5,878.80
  6. Step 6: Final answer
    x = 3,270.61

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1.5x scale

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.