Home / 3,062.90-4,226.13-1,803.09

Finding the Fourth Proportional to 3,062.90, 4,226.13 and 1,803.09

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Solution

The fourth proportional to 3,062.90, 4,226.13 and 1,803.09 is: 2,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.90 : 4,226.13 = 1,803.09 : x
  2. Step 2: Convert to fraction form
    3,062.90/4,226.13 = 1,803.09/x
  3. Step 3: Cross multiply
    3,062.90x = 4,226.13 × 1,803.09
  4. Step 4: Simplify right side
    3,062.90x = 7,620,092.74
  5. Step 5: Solve for x
    x = 7,620,092.74/3,062.90
  6. Step 6: Final answer
    x = 2,487.87

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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.