Home / 4,728.20-7,097.16-3,435.44

Finding the Fourth Proportional to 4,728.20, 7,097.16 and 3,435.44

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Solution

The fourth proportional to 4,728.20, 7,097.16 and 3,435.44 is: 5,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.20 : 7,097.16 = 3,435.44 : x
  2. Step 2: Convert to fraction form
    4,728.20/7,097.16 = 3,435.44/x
  3. Step 3: Cross multiply
    4,728.20x = 7,097.16 × 3,435.44
  4. Step 4: Simplify right side
    4,728.20x = 24,381,867.35
  5. Step 5: Solve for x
    x = 24,381,867.35/4,728.20
  6. Step 6: Final answer
    x = 5,156.69

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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.