Home / 4,991.22-6,888.78-3,002.04

Finding the Fourth Proportional to 4,991.22, 6,888.78 and 3,002.04

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Solution

The fourth proportional to 4,991.22, 6,888.78 and 3,002.04 is: 4,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.22 : 6,888.78 = 3,002.04 : x
  2. Step 2: Convert to fraction form
    4,991.22/6,888.78 = 3,002.04/x
  3. Step 3: Cross multiply
    4,991.22x = 6,888.78 × 3,002.04
  4. Step 4: Simplify right side
    4,991.22x = 20,680,393.11
  5. Step 5: Solve for x
    x = 20,680,393.11/4,991.22
  6. Step 6: Final answer
    x = 4,143.35

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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.