Home / 3,192.20-4,789.65-1,548.90

Finding the Fourth Proportional to 3,192.20, 4,789.65 and 1,548.90

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Solution

The fourth proportional to 3,192.20, 4,789.65 and 1,548.90 is: 2,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.20 : 4,789.65 = 1,548.90 : x
  2. Step 2: Convert to fraction form
    3,192.20/4,789.65 = 1,548.90/x
  3. Step 3: Cross multiply
    3,192.20x = 4,789.65 × 1,548.90
  4. Step 4: Simplify right side
    3,192.20x = 7,418,688.89
  5. Step 5: Solve for x
    x = 7,418,688.89/3,192.20
  6. Step 6: Final answer
    x = 2,324.01

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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.