Home / 3,842.14-5,302.92-2,270.74

Finding the Fourth Proportional to 3,842.14, 5,302.92 and 2,270.74

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Solution

The fourth proportional to 3,842.14, 5,302.92 and 2,270.74 is: 3,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.14 : 5,302.92 = 2,270.74 : x
  2. Step 2: Convert to fraction form
    3,842.14/5,302.92 = 2,270.74/x
  3. Step 3: Cross multiply
    3,842.14x = 5,302.92 × 2,270.74
  4. Step 4: Simplify right side
    3,842.14x = 12,041,552.56
  5. Step 5: Solve for x
    x = 12,041,552.56/3,842.14
  6. Step 6: Final answer
    x = 3,134.07

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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.