Home / 3,261.13-4,498.35-2,001.70

Finding the Fourth Proportional to 3,261.13, 4,498.35 and 2,001.70

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Solution

The fourth proportional to 3,261.13, 4,498.35 and 2,001.70 is: 2,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.13 : 4,498.35 = 2,001.70 : x
  2. Step 2: Convert to fraction form
    3,261.13/4,498.35 = 2,001.70/x
  3. Step 3: Cross multiply
    3,261.13x = 4,498.35 × 2,001.70
  4. Step 4: Simplify right side
    3,261.13x = 9,004,345.31
  5. Step 5: Solve for x
    x = 9,004,345.31/3,261.13
  6. Step 6: Final answer
    x = 2,761.11

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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.