Home / 5,434.91-7,498.38-3,755.72

Finding the Fourth Proportional to 5,434.91, 7,498.38 and 3,755.72

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Solution

The fourth proportional to 5,434.91, 7,498.38 and 3,755.72 is: 5,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.91 : 7,498.38 = 3,755.72 : x
  2. Step 2: Convert to fraction form
    5,434.91/7,498.38 = 3,755.72/x
  3. Step 3: Cross multiply
    5,434.91x = 7,498.38 × 3,755.72
  4. Step 4: Simplify right side
    5,434.91x = 28,161,778.24
  5. Step 5: Solve for x
    x = 28,161,778.24/5,434.91
  6. Step 6: Final answer
    x = 5,181.64

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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.