Home / 5,635.72-7,775.98-3,276.44

Finding the Fourth Proportional to 5,635.72, 7,775.98 and 3,276.44

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Solution

The fourth proportional to 5,635.72, 7,775.98 and 3,276.44 is: 4,520.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.72 : 7,775.98 = 3,276.44 : x
  2. Step 2: Convert to fraction form
    5,635.72/7,775.98 = 3,276.44/x
  3. Step 3: Cross multiply
    5,635.72x = 7,775.98 × 3,276.44
  4. Step 4: Simplify right side
    5,635.72x = 25,477,531.91
  5. Step 5: Solve for x
    x = 25,477,531.91/5,635.72
  6. Step 6: Final answer
    x = 4,520.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.