Home / 3,010.61-4,154.84-1,684.43

Finding the Fourth Proportional to 3,010.61, 4,154.84 and 1,684.43

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Solution

The fourth proportional to 3,010.61, 4,154.84 and 1,684.43 is: 2,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010.61 : 4,154.84 = 1,684.43 : x
  2. Step 2: Convert to fraction form
    3,010.61/4,154.84 = 1,684.43/x
  3. Step 3: Cross multiply
    3,010.61x = 4,154.84 × 1,684.43
  4. Step 4: Simplify right side
    3,010.61x = 6,998,507.94
  5. Step 5: Solve for x
    x = 6,998,507.94/3,010.61
  6. Step 6: Final answer
    x = 2,324.62

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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.