Home / 4,474-6,711.60-1,354.28

Finding the Fourth Proportional to 4,474, 6,711.60 and 1,354.28

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Solution

The fourth proportional to 4,474, 6,711.60 and 1,354.28 is: 2,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474 : 6,711.60 = 1,354.28 : x
  2. Step 2: Convert to fraction form
    4,474/6,711.60 = 1,354.28/x
  3. Step 3: Cross multiply
    4,474x = 6,711.60 × 1,354.28
  4. Step 4: Simplify right side
    4,474x = 9,089,385.65
  5. Step 5: Solve for x
    x = 9,089,385.65/4,474
  6. Step 6: Final answer
    x = 2,031.60

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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.