Home / 2,655.05-3,665.93-1,772.96

Finding the Fourth Proportional to 2,655.05, 3,665.93 and 1,772.96

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Solution

The fourth proportional to 2,655.05, 3,665.93 and 1,772.96 is: 2,447.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.05 : 3,665.93 = 1,772.96 : x
  2. Step 2: Convert to fraction form
    2,655.05/3,665.93 = 1,772.96/x
  3. Step 3: Cross multiply
    2,655.05x = 3,665.93 × 1,772.96
  4. Step 4: Simplify right side
    2,655.05x = 6,499,520.06
  5. Step 5: Solve for x
    x = 6,499,520.06/2,655.05
  6. Step 6: Final answer
    x = 2,447.99

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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.