Home / 4,981.38-6,873.30-2,992.02

Finding the Fourth Proportional to 4,981.38, 6,873.30 and 2,992.02

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Solution

The fourth proportional to 4,981.38, 6,873.30 and 2,992.02 is: 4,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.38 : 6,873.30 = 2,992.02 : x
  2. Step 2: Convert to fraction form
    4,981.38/6,873.30 = 2,992.02/x
  3. Step 3: Cross multiply
    4,981.38x = 6,873.30 × 2,992.02
  4. Step 4: Simplify right side
    4,981.38x = 20,565,051.07
  5. Step 5: Solve for x
    x = 20,565,051.07/4,981.38
  6. Step 6: Final answer
    x = 4,128.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.