Home / 2,901.61-4,004.20-2,481.42

Finding the Fourth Proportional to 2,901.61, 4,004.20 and 2,481.42

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Solution

The fourth proportional to 2,901.61, 4,004.20 and 2,481.42 is: 3,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.61 : 4,004.20 = 2,481.42 : x
  2. Step 2: Convert to fraction form
    2,901.61/4,004.20 = 2,481.42/x
  3. Step 3: Cross multiply
    2,901.61x = 4,004.20 × 2,481.42
  4. Step 4: Simplify right side
    2,901.61x = 9,936,101.96
  5. Step 5: Solve for x
    x = 9,936,101.96/2,901.61
  6. Step 6: Final answer
    x = 3,424.34

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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.