Home / 7,480.74-11,218.98-2,549.25

Finding the Fourth Proportional to 7,480.74, 11,218.98 and 2,549.25

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Solution

The fourth proportional to 7,480.74, 11,218.98 and 2,549.25 is: 3,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.74 : 11,218.98 = 2,549.25 : x
  2. Step 2: Convert to fraction form
    7,480.74/11,218.98 = 2,549.25/x
  3. Step 3: Cross multiply
    7,480.74x = 11,218.98 × 2,549.25
  4. Step 4: Simplify right side
    7,480.74x = 28,599,984.77
  5. Step 5: Solve for x
    x = 28,599,984.77/7,480.74
  6. Step 6: Final answer
    x = 3,823.15

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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.