Home / 3,340.48-4,609.55-2,261.56

Finding the Fourth Proportional to 3,340.48, 4,609.55 and 2,261.56

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Solution

The fourth proportional to 3,340.48, 4,609.55 and 2,261.56 is: 3,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.48 : 4,609.55 = 2,261.56 : x
  2. Step 2: Convert to fraction form
    3,340.48/4,609.55 = 2,261.56/x
  3. Step 3: Cross multiply
    3,340.48x = 4,609.55 × 2,261.56
  4. Step 4: Simplify right side
    3,340.48x = 10,424,742.42
  5. Step 5: Solve for x
    x = 10,424,742.42/3,340.48
  6. Step 6: Final answer
    x = 3,120.73

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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.