Home / 2,911.10-4,366.22-963.32

Finding the Fourth Proportional to 2,911.10, 4,366.22 and 963.32

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Solution

The fourth proportional to 2,911.10, 4,366.22 and 963.32 is: 1,444.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.10 : 4,366.22 = 963.32 : x
  2. Step 2: Convert to fraction form
    2,911.10/4,366.22 = 963.32/x
  3. Step 3: Cross multiply
    2,911.10x = 4,366.22 × 963.32
  4. Step 4: Simplify right side
    2,911.10x = 4,206,040.40
  5. Step 5: Solve for x
    x = 4,206,040.40/2,911.10
  6. Step 6: Final answer
    x = 1,444.83

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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.