Home / 5,141.10-7,091.02-3,345.25

Finding the Fourth Proportional to 5,141.10, 7,091.02 and 3,345.25

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Solution

The fourth proportional to 5,141.10, 7,091.02 and 3,345.25 is: 4,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141.10 : 7,091.02 = 3,345.25 : x
  2. Step 2: Convert to fraction form
    5,141.10/7,091.02 = 3,345.25/x
  3. Step 3: Cross multiply
    5,141.10x = 7,091.02 × 3,345.25
  4. Step 4: Simplify right side
    5,141.10x = 23,721,234.66
  5. Step 5: Solve for x
    x = 23,721,234.66/5,141.10
  6. Step 6: Final answer
    x = 4,614.04

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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.