Home / 5,092.48-7,640.40-2,495.20

Finding the Fourth Proportional to 5,092.48, 7,640.40 and 2,495.20

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Solution

The fourth proportional to 5,092.48, 7,640.40 and 2,495.20 is: 3,743.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.48 : 7,640.40 = 2,495.20 : x
  2. Step 2: Convert to fraction form
    5,092.48/7,640.40 = 2,495.20/x
  3. Step 3: Cross multiply
    5,092.48x = 7,640.40 × 2,495.20
  4. Step 4: Simplify right side
    5,092.48x = 19,064,326.08
  5. Step 5: Solve for x
    x = 19,064,326.08/5,092.48
  6. Step 6: Final answer
    x = 3,743.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.