Home / 3,165.60-4,362.48-2,750.88

Finding the Fourth Proportional to 3,165.60, 4,362.48 and 2,750.88

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Solution

The fourth proportional to 3,165.60, 4,362.48 and 2,750.88 is: 3,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.60 : 4,362.48 = 2,750.88 : x
  2. Step 2: Convert to fraction form
    3,165.60/4,362.48 = 2,750.88/x
  3. Step 3: Cross multiply
    3,165.60x = 4,362.48 × 2,750.88
  4. Step 4: Simplify right side
    3,165.60x = 12,000,658.98
  5. Step 5: Solve for x
    x = 12,000,658.98/3,165.60
  6. Step 6: Final answer
    x = 3,790.96

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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.