Home / 4,380.27-6,044.81-2,390.85

Finding the Fourth Proportional to 4,380.27, 6,044.81 and 2,390.85

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Solution

The fourth proportional to 4,380.27, 6,044.81 and 2,390.85 is: 3,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.27 : 6,044.81 = 2,390.85 : x
  2. Step 2: Convert to fraction form
    4,380.27/6,044.81 = 2,390.85/x
  3. Step 3: Cross multiply
    4,380.27x = 6,044.81 × 2,390.85
  4. Step 4: Simplify right side
    4,380.27x = 14,452,222.03
  5. Step 5: Solve for x
    x = 14,452,222.03/4,380.27
  6. Step 6: Final answer
    x = 3,299.39

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Find fourth proportional to 2,190.14, 3,022.40 and 1,195.43
Half scale
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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.