Home / 3,001.47-4,147.79-2,410.98

Finding the Fourth Proportional to 3,001.47, 4,147.79 and 2,410.98

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Solution

The fourth proportional to 3,001.47, 4,147.79 and 2,410.98 is: 3,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.47 : 4,147.79 = 2,410.98 : x
  2. Step 2: Convert to fraction form
    3,001.47/4,147.79 = 2,410.98/x
  3. Step 3: Cross multiply
    3,001.47x = 4,147.79 × 2,410.98
  4. Step 4: Simplify right side
    3,001.47x = 10,000,226.68
  5. Step 5: Solve for x
    x = 10,000,226.68/3,001.47
  6. Step 6: Final answer
    x = 3,331.78

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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.