Home / 5,505.28-8,261.60-2,042.88

Finding the Fourth Proportional to 5,505.28, 8,261.60 and 2,042.88

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Solution

The fourth proportional to 5,505.28, 8,261.60 and 2,042.88 is: 3,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.28 : 8,261.60 = 2,042.88 : x
  2. Step 2: Convert to fraction form
    5,505.28/8,261.60 = 2,042.88/x
  3. Step 3: Cross multiply
    5,505.28x = 8,261.60 × 2,042.88
  4. Step 4: Simplify right side
    5,505.28x = 16,877,457.41
  5. Step 5: Solve for x
    x = 16,877,457.41/5,505.28
  6. Step 6: Final answer
    x = 3,065.69

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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.