Home / 5,036.48-7,549.76-2,116.80

Finding the Fourth Proportional to 5,036.48, 7,549.76 and 2,116.80

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Solution

The fourth proportional to 5,036.48, 7,549.76 and 2,116.80 is: 3,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.48 : 7,549.76 = 2,116.80 : x
  2. Step 2: Convert to fraction form
    5,036.48/7,549.76 = 2,116.80/x
  3. Step 3: Cross multiply
    5,036.48x = 7,549.76 × 2,116.80
  4. Step 4: Simplify right side
    5,036.48x = 15,981,331.97
  5. Step 5: Solve for x
    x = 15,981,331.97/5,036.48
  6. Step 6: Final answer
    x = 3,173.12

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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.