Home / 3,542.10-5,311.20-1,693.68

Finding the Fourth Proportional to 3,542.10, 5,311.20 and 1,693.68

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Solution

The fourth proportional to 3,542.10, 5,311.20 and 1,693.68 is: 2,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.10 : 5,311.20 = 1,693.68 : x
  2. Step 2: Convert to fraction form
    3,542.10/5,311.20 = 1,693.68/x
  3. Step 3: Cross multiply
    3,542.10x = 5,311.20 × 1,693.68
  4. Step 4: Simplify right side
    3,542.10x = 8,995,473.22
  5. Step 5: Solve for x
    x = 8,995,473.22/3,542.10
  6. Step 6: Final answer
    x = 2,539.59

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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.