Home / 2,577.66-3,844.61-2,190.48

Finding the Fourth Proportional to 2,577.66, 3,844.61 and 2,190.48

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Solution

The fourth proportional to 2,577.66, 3,844.61 and 2,190.48 is: 3,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.66 : 3,844.61 = 2,190.48 : x
  2. Step 2: Convert to fraction form
    2,577.66/3,844.61 = 2,190.48/x
  3. Step 3: Cross multiply
    2,577.66x = 3,844.61 × 2,190.48
  4. Step 4: Simplify right side
    2,577.66x = 8,421,530.36
  5. Step 5: Solve for x
    x = 8,421,530.36/2,577.66
  6. Step 6: Final answer
    x = 3,267.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.