Home / 5,011.13-7,514.51-2,379.39

Finding the Fourth Proportional to 5,011.13, 7,514.51 and 2,379.39

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Solution

The fourth proportional to 5,011.13, 7,514.51 and 2,379.39 is: 3,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.13 : 7,514.51 = 2,379.39 : x
  2. Step 2: Convert to fraction form
    5,011.13/7,514.51 = 2,379.39/x
  3. Step 3: Cross multiply
    5,011.13x = 7,514.51 × 2,379.39
  4. Step 4: Simplify right side
    5,011.13x = 17,879,949.95
  5. Step 5: Solve for x
    x = 17,879,949.95/5,011.13
  6. Step 6: Final answer
    x = 3,568.05

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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.