Home / 3,001.91-4,142.70-1,743.07

Finding the Fourth Proportional to 3,001.91, 4,142.70 and 1,743.07

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Solution

The fourth proportional to 3,001.91, 4,142.70 and 1,743.07 is: 2,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.91 : 4,142.70 = 1,743.07 : x
  2. Step 2: Convert to fraction form
    3,001.91/4,142.70 = 1,743.07/x
  3. Step 3: Cross multiply
    3,001.91x = 4,142.70 × 1,743.07
  4. Step 4: Simplify right side
    3,001.91x = 7,221,007.37
  5. Step 5: Solve for x
    x = 7,221,007.37/3,001.91
  6. Step 6: Final answer
    x = 2,405.47

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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.