Home / 4,990.86-6,884.19-3,002.04

Finding the Fourth Proportional to 4,990.86, 6,884.19 and 3,002.04

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Solution

The fourth proportional to 4,990.86, 6,884.19 and 3,002.04 is: 4,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.86 : 6,884.19 = 3,002.04 : x
  2. Step 2: Convert to fraction form
    4,990.86/6,884.19 = 3,002.04/x
  3. Step 3: Cross multiply
    4,990.86x = 6,884.19 × 3,002.04
  4. Step 4: Simplify right side
    4,990.86x = 20,666,613.75
  5. Step 5: Solve for x
    x = 20,666,613.75/4,990.86
  6. Step 6: Final answer
    x = 4,140.89

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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.