Home / 4,141.53-5,712.41-2,812.93

Finding the Fourth Proportional to 4,141.53, 5,712.41 and 2,812.93

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Solution

The fourth proportional to 4,141.53, 5,712.41 and 2,812.93 is: 3,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.53 : 5,712.41 = 2,812.93 : x
  2. Step 2: Convert to fraction form
    4,141.53/5,712.41 = 2,812.93/x
  3. Step 3: Cross multiply
    4,141.53x = 5,712.41 × 2,812.93
  4. Step 4: Simplify right side
    4,141.53x = 16,068,609.46
  5. Step 5: Solve for x
    x = 16,068,609.46/4,141.53
  6. Step 6: Final answer
    x = 3,879.87

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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.