Home / 4,155.35-6,232.91-1,689.54

Finding the Fourth Proportional to 4,155.35, 6,232.91 and 1,689.54

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Solution

The fourth proportional to 4,155.35, 6,232.91 and 1,689.54 is: 2,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.35 : 6,232.91 = 1,689.54 : x
  2. Step 2: Convert to fraction form
    4,155.35/6,232.91 = 1,689.54/x
  3. Step 3: Cross multiply
    4,155.35x = 6,232.91 × 1,689.54
  4. Step 4: Simplify right side
    4,155.35x = 10,530,742.31
  5. Step 5: Solve for x
    x = 10,530,742.31/4,155.35
  6. Step 6: Final answer
    x = 2,534.26

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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.