Home / 5,186.03-7,780.02-2,844.75

Finding the Fourth Proportional to 5,186.03, 7,780.02 and 2,844.75

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Solution

The fourth proportional to 5,186.03, 7,780.02 and 2,844.75 is: 4,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.03 : 7,780.02 = 2,844.75 : x
  2. Step 2: Convert to fraction form
    5,186.03/7,780.02 = 2,844.75/x
  3. Step 3: Cross multiply
    5,186.03x = 7,780.02 × 2,844.75
  4. Step 4: Simplify right side
    5,186.03x = 22,132,211.90
  5. Step 5: Solve for x
    x = 22,132,211.90/5,186.03
  6. Step 6: Final answer
    x = 4,267.66

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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.