Home / 5,435.87-7,508.48-3,754.31

Finding the Fourth Proportional to 5,435.87, 7,508.48 and 3,754.31

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Solution

The fourth proportional to 5,435.87, 7,508.48 and 3,754.31 is: 5,185.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.87 : 7,508.48 = 3,754.31 : x
  2. Step 2: Convert to fraction form
    5,435.87/7,508.48 = 3,754.31/x
  3. Step 3: Cross multiply
    5,435.87x = 7,508.48 × 3,754.31
  4. Step 4: Simplify right side
    5,435.87x = 28,189,105.23
  5. Step 5: Solve for x
    x = 28,189,105.23/5,435.87
  6. Step 6: Final answer
    x = 5,185.76

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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.