Home / 4,013.81-5,538.92-2,196.75

Finding the Fourth Proportional to 4,013.81, 5,538.92 and 2,196.75

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Solution

The fourth proportional to 4,013.81, 5,538.92 and 2,196.75 is: 3,031.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.81 : 5,538.92 = 2,196.75 : x
  2. Step 2: Convert to fraction form
    4,013.81/5,538.92 = 2,196.75/x
  3. Step 3: Cross multiply
    4,013.81x = 5,538.92 × 2,196.75
  4. Step 4: Simplify right side
    4,013.81x = 12,167,632.30
  5. Step 5: Solve for x
    x = 12,167,632.30/4,013.81
  6. Step 6: Final answer
    x = 3,031.44

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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.