Home / 3,002.25-4,143.09-1,675.88

Finding the Fourth Proportional to 3,002.25, 4,143.09 and 1,675.88

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Solution

The fourth proportional to 3,002.25, 4,143.09 and 1,675.88 is: 2,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.25 : 4,143.09 = 1,675.88 : x
  2. Step 2: Convert to fraction form
    3,002.25/4,143.09 = 1,675.88/x
  3. Step 3: Cross multiply
    3,002.25x = 4,143.09 × 1,675.88
  4. Step 4: Simplify right side
    3,002.25x = 6,943,300.95
  5. Step 5: Solve for x
    x = 6,943,300.95/3,002.25
  6. Step 6: Final answer
    x = 2,312.70

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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.