Home / 4,222.08-5,813.60-3,743.12

Finding the Fourth Proportional to 4,222.08, 5,813.60 and 3,743.12

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Solution

The fourth proportional to 4,222.08, 5,813.60 and 3,743.12 is: 5,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.08 : 5,813.60 = 3,743.12 : x
  2. Step 2: Convert to fraction form
    4,222.08/5,813.60 = 3,743.12/x
  3. Step 3: Cross multiply
    4,222.08x = 5,813.60 × 3,743.12
  4. Step 4: Simplify right side
    4,222.08x = 21,761,002.43
  5. Step 5: Solve for x
    x = 21,761,002.43/4,222.08
  6. Step 6: Final answer
    x = 5,154.10

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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.