Home / 3,158.25-4,733.76-1,772.22

Finding the Fourth Proportional to 3,158.25, 4,733.76 and 1,772.22

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Solution

The fourth proportional to 3,158.25, 4,733.76 and 1,772.22 is: 2,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.25 : 4,733.76 = 1,772.22 : x
  2. Step 2: Convert to fraction form
    3,158.25/4,733.76 = 1,772.22/x
  3. Step 3: Cross multiply
    3,158.25x = 4,733.76 × 1,772.22
  4. Step 4: Simplify right side
    3,158.25x = 8,389,264.15
  5. Step 5: Solve for x
    x = 8,389,264.15/3,158.25
  6. Step 6: Final answer
    x = 2,656.30

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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.