Home / 2,702.13-3,728.73-1,522.98

Finding the Fourth Proportional to 2,702.13, 3,728.73 and 1,522.98

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Solution

The fourth proportional to 2,702.13, 3,728.73 and 1,522.98 is: 2,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.13 : 3,728.73 = 1,522.98 : x
  2. Step 2: Convert to fraction form
    2,702.13/3,728.73 = 1,522.98/x
  3. Step 3: Cross multiply
    2,702.13x = 3,728.73 × 1,522.98
  4. Step 4: Simplify right side
    2,702.13x = 5,678,781.22
  5. Step 5: Solve for x
    x = 5,678,781.22/2,702.13
  6. Step 6: Final answer
    x = 2,101.59

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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.