Home / 4,040.38-5,575.33-2,271.85

Finding the Fourth Proportional to 4,040.38, 5,575.33 and 2,271.85

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Solution

The fourth proportional to 4,040.38, 5,575.33 and 2,271.85 is: 3,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.38 : 5,575.33 = 2,271.85 : x
  2. Step 2: Convert to fraction form
    4,040.38/5,575.33 = 2,271.85/x
  3. Step 3: Cross multiply
    4,040.38x = 5,575.33 × 2,271.85
  4. Step 4: Simplify right side
    4,040.38x = 12,666,302.36
  5. Step 5: Solve for x
    x = 12,666,302.36/4,040.38
  6. Step 6: Final answer
    x = 3,134.93

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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.