Home / 3,001.82-4,142.58-1,743.08

Finding the Fourth Proportional to 3,001.82, 4,142.58 and 1,743.08

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Solution

The fourth proportional to 3,001.82, 4,142.58 and 1,743.08 is: 2,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.82 : 4,142.58 = 1,743.08 : x
  2. Step 2: Convert to fraction form
    3,001.82/4,142.58 = 1,743.08/x
  3. Step 3: Cross multiply
    3,001.82x = 4,142.58 × 1,743.08
  4. Step 4: Simplify right side
    3,001.82x = 7,220,848.35
  5. Step 5: Solve for x
    x = 7,220,848.35/3,001.82
  6. Step 6: Final answer
    x = 2,405.49

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1.5x scale

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.