Home / 4,309.82-6,465.20-3,432.32

Finding the Fourth Proportional to 4,309.82, 6,465.20 and 3,432.32

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Solution

The fourth proportional to 4,309.82, 6,465.20 and 3,432.32 is: 5,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.82 : 6,465.20 = 3,432.32 : x
  2. Step 2: Convert to fraction form
    4,309.82/6,465.20 = 3,432.32/x
  3. Step 3: Cross multiply
    4,309.82x = 6,465.20 × 3,432.32
  4. Step 4: Simplify right side
    4,309.82x = 22,190,585.78
  5. Step 5: Solve for x
    x = 22,190,585.78/4,309.82
  6. Step 6: Final answer
    x = 5,148.85

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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.