Home / 2,040.12-3,060.18-1,845.72

Finding the Fourth Proportional to 2,040.12, 3,060.18 and 1,845.72

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Solution

The fourth proportional to 2,040.12, 3,060.18 and 1,845.72 is: 2,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.12 : 3,060.18 = 1,845.72 : x
  2. Step 2: Convert to fraction form
    2,040.12/3,060.18 = 1,845.72/x
  3. Step 3: Cross multiply
    2,040.12x = 3,060.18 × 1,845.72
  4. Step 4: Simplify right side
    2,040.12x = 5,648,235.43
  5. Step 5: Solve for x
    x = 5,648,235.43/2,040.12
  6. Step 6: Final answer
    x = 2,768.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.