Home / 3,512.10-5,269.98-1,433.64

Finding the Fourth Proportional to 3,512.10, 5,269.98 and 1,433.64

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Solution

The fourth proportional to 3,512.10, 5,269.98 and 1,433.64 is: 2,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.10 : 5,269.98 = 1,433.64 : x
  2. Step 2: Convert to fraction form
    3,512.10/5,269.98 = 1,433.64/x
  3. Step 3: Cross multiply
    3,512.10x = 5,269.98 × 1,433.64
  4. Step 4: Simplify right side
    3,512.10x = 7,555,254.13
  5. Step 5: Solve for x
    x = 7,555,254.13/3,512.10
  6. Step 6: Final answer
    x = 2,151.21

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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.