Home / 2,625.21-3,623.13-1,577.48

Finding the Fourth Proportional to 2,625.21, 3,623.13 and 1,577.48

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Solution

The fourth proportional to 2,625.21, 3,623.13 and 1,577.48 is: 2,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.21 : 3,623.13 = 1,577.48 : x
  2. Step 2: Convert to fraction form
    2,625.21/3,623.13 = 1,577.48/x
  3. Step 3: Cross multiply
    2,625.21x = 3,623.13 × 1,577.48
  4. Step 4: Simplify right side
    2,625.21x = 5,715,397.00
  5. Step 5: Solve for x
    x = 5,715,397.00/2,625.21
  6. Step 6: Final answer
    x = 2,177.12

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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.