Home / 4,181.42-5,770.71-2,389.43

Finding the Fourth Proportional to 4,181.42, 5,770.71 and 2,389.43

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Solution

The fourth proportional to 4,181.42, 5,770.71 and 2,389.43 is: 3,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.42 : 5,770.71 = 2,389.43 : x
  2. Step 2: Convert to fraction form
    4,181.42/5,770.71 = 2,389.43/x
  3. Step 3: Cross multiply
    4,181.42x = 5,770.71 × 2,389.43
  4. Step 4: Simplify right side
    4,181.42x = 13,788,722.02
  5. Step 5: Solve for x
    x = 13,788,722.02/4,181.42
  6. Step 6: Final answer
    x = 3,297.62

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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.