Home / 4,925.32-7,385.20-1,636.64

Finding the Fourth Proportional to 4,925.32, 7,385.20 and 1,636.64

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Solution

The fourth proportional to 4,925.32, 7,385.20 and 1,636.64 is: 2,454.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.32 : 7,385.20 = 1,636.64 : x
  2. Step 2: Convert to fraction form
    4,925.32/7,385.20 = 1,636.64/x
  3. Step 3: Cross multiply
    4,925.32x = 7,385.20 × 1,636.64
  4. Step 4: Simplify right side
    4,925.32x = 12,086,913.73
  5. Step 5: Solve for x
    x = 12,086,913.73/4,925.32
  6. Step 6: Final answer
    x = 2,454.04

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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.