Home / 5,540.22-7,646.13-3,150.72

Finding the Fourth Proportional to 5,540.22, 7,646.13 and 3,150.72

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Solution

The fourth proportional to 5,540.22, 7,646.13 and 3,150.72 is: 4,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.22 : 7,646.13 = 3,150.72 : x
  2. Step 2: Convert to fraction form
    5,540.22/7,646.13 = 3,150.72/x
  3. Step 3: Cross multiply
    5,540.22x = 7,646.13 × 3,150.72
  4. Step 4: Simplify right side
    5,540.22x = 24,090,814.71
  5. Step 5: Solve for x
    x = 24,090,814.71/5,540.22
  6. Step 6: Final answer
    x = 4,348.35

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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.