Home / 3,047.18-4,204.91-1,788.17

Finding the Fourth Proportional to 3,047.18, 4,204.91 and 1,788.17

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Solution

The fourth proportional to 3,047.18, 4,204.91 and 1,788.17 is: 2,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.18 : 4,204.91 = 1,788.17 : x
  2. Step 2: Convert to fraction form
    3,047.18/4,204.91 = 1,788.17/x
  3. Step 3: Cross multiply
    3,047.18x = 4,204.91 × 1,788.17
  4. Step 4: Simplify right side
    3,047.18x = 7,519,077.36
  5. Step 5: Solve for x
    x = 7,519,077.36/3,047.18
  6. Step 6: Final answer
    x = 2,467.56

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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.