Home / 3,144.43-4,338.86-1,885.19

Finding the Fourth Proportional to 3,144.43, 4,338.86 and 1,885.19

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Solution

The fourth proportional to 3,144.43, 4,338.86 and 1,885.19 is: 2,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.43 : 4,338.86 = 1,885.19 : x
  2. Step 2: Convert to fraction form
    3,144.43/4,338.86 = 1,885.19/x
  3. Step 3: Cross multiply
    3,144.43x = 4,338.86 × 1,885.19
  4. Step 4: Simplify right side
    3,144.43x = 8,179,575.48
  5. Step 5: Solve for x
    x = 8,179,575.48/3,144.43
  6. Step 6: Final answer
    x = 2,601.29

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,145.43, 4,340.24 and 1,886.19
Similar ratio
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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.