Home / 3,335.12-5,005.80-2,104.76

Finding the Fourth Proportional to 3,335.12, 5,005.80 and 2,104.76

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Solution

The fourth proportional to 3,335.12, 5,005.80 and 2,104.76 is: 3,159.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335.12 : 5,005.80 = 2,104.76 : x
  2. Step 2: Convert to fraction form
    3,335.12/5,005.80 = 2,104.76/x
  3. Step 3: Cross multiply
    3,335.12x = 5,005.80 × 2,104.76
  4. Step 4: Simplify right side
    3,335.12x = 10,536,007.61
  5. Step 5: Solve for x
    x = 10,536,007.61/3,335.12
  6. Step 6: Final answer
    x = 3,159.11

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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.