Home / 3,001.72-4,142.34-1,882.28

Finding the Fourth Proportional to 3,001.72, 4,142.34 and 1,882.28

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Solution

The fourth proportional to 3,001.72, 4,142.34 and 1,882.28 is: 2,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.72 : 4,142.34 = 1,882.28 : x
  2. Step 2: Convert to fraction form
    3,001.72/4,142.34 = 1,882.28/x
  3. Step 3: Cross multiply
    3,001.72x = 4,142.34 × 1,882.28
  4. Step 4: Simplify right side
    3,001.72x = 7,797,043.74
  5. Step 5: Solve for x
    x = 7,797,043.74/3,001.72
  6. Step 6: Final answer
    x = 2,597.53

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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.