Home / 3,622.08-5,429.52-1,773.12

Finding the Fourth Proportional to 3,622.08, 5,429.52 and 1,773.12

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Solution

The fourth proportional to 3,622.08, 5,429.52 and 1,773.12 is: 2,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.08 : 5,429.52 = 1,773.12 : x
  2. Step 2: Convert to fraction form
    3,622.08/5,429.52 = 1,773.12/x
  3. Step 3: Cross multiply
    3,622.08x = 5,429.52 × 1,773.12
  4. Step 4: Simplify right side
    3,622.08x = 9,627,190.50
  5. Step 5: Solve for x
    x = 9,627,190.50/3,622.08
  6. Step 6: Final answer
    x = 2,657.92

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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.