Home / 4,142.60-5,716.83-2,254.19

Finding the Fourth Proportional to 4,142.60, 5,716.83 and 2,254.19

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Solution

The fourth proportional to 4,142.60, 5,716.83 and 2,254.19 is: 3,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.60 : 5,716.83 = 2,254.19 : x
  2. Step 2: Convert to fraction form
    4,142.60/5,716.83 = 2,254.19/x
  3. Step 3: Cross multiply
    4,142.60x = 5,716.83 × 2,254.19
  4. Step 4: Simplify right side
    4,142.60x = 12,886,821.02
  5. Step 5: Solve for x
    x = 12,886,821.02/4,142.60
  6. Step 6: Final answer
    x = 3,110.81

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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.