Home / 4,239.74-5,847.72-2,471.24

Finding the Fourth Proportional to 4,239.74, 5,847.72 and 2,471.24

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Solution

The fourth proportional to 4,239.74, 5,847.72 and 2,471.24 is: 3,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.74 : 5,847.72 = 2,471.24 : x
  2. Step 2: Convert to fraction form
    4,239.74/5,847.72 = 2,471.24/x
  3. Step 3: Cross multiply
    4,239.74x = 5,847.72 × 2,471.24
  4. Step 4: Simplify right side
    4,239.74x = 14,451,119.57
  5. Step 5: Solve for x
    x = 14,451,119.57/4,239.74
  6. Step 6: Final answer
    x = 3,408.49

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Half scale
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Double 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.