Home / 5,187.06-7,780.65-2,267.43

Finding the Fourth Proportional to 5,187.06, 7,780.65 and 2,267.43

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Solution

The fourth proportional to 5,187.06, 7,780.65 and 2,267.43 is: 3,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.06 : 7,780.65 = 2,267.43 : x
  2. Step 2: Convert to fraction form
    5,187.06/7,780.65 = 2,267.43/x
  3. Step 3: Cross multiply
    5,187.06x = 7,780.65 × 2,267.43
  4. Step 4: Simplify right side
    5,187.06x = 17,642,079.23
  5. Step 5: Solve for x
    x = 17,642,079.23/5,187.06
  6. Step 6: Final answer
    x = 3,401.17

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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.