Home / 5,091.31-7,025.65-2,822.63

Finding the Fourth Proportional to 5,091.31, 7,025.65 and 2,822.63

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Solution

The fourth proportional to 5,091.31, 7,025.65 and 2,822.63 is: 3,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.31 : 7,025.65 = 2,822.63 : x
  2. Step 2: Convert to fraction form
    5,091.31/7,025.65 = 2,822.63/x
  3. Step 3: Cross multiply
    5,091.31x = 7,025.65 × 2,822.63
  4. Step 4: Simplify right side
    5,091.31x = 19,830,790.91
  5. Step 5: Solve for x
    x = 19,830,790.91/5,091.31
  6. Step 6: Final answer
    x = 3,895.03

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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.