Home / 4,743.65-7,116.08-2,279.03

Finding the Fourth Proportional to 4,743.65, 7,116.08 and 2,279.03

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Solution

The fourth proportional to 4,743.65, 7,116.08 and 2,279.03 is: 3,418.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.65 : 7,116.08 = 2,279.03 : x
  2. Step 2: Convert to fraction form
    4,743.65/7,116.08 = 2,279.03/x
  3. Step 3: Cross multiply
    4,743.65x = 7,116.08 × 2,279.03
  4. Step 4: Simplify right side
    4,743.65x = 16,217,712.83
  5. Step 5: Solve for x
    x = 16,217,712.83/4,743.65
  6. Step 6: Final answer
    x = 3,418.83

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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.