Home / 3,089.43-4,263.24-1,691.91

Finding the Fourth Proportional to 3,089.43, 4,263.24 and 1,691.91

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Solution

The fourth proportional to 3,089.43, 4,263.24 and 1,691.91 is: 2,334.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.43 : 4,263.24 = 1,691.91 : x
  2. Step 2: Convert to fraction form
    3,089.43/4,263.24 = 1,691.91/x
  3. Step 3: Cross multiply
    3,089.43x = 4,263.24 × 1,691.91
  4. Step 4: Simplify right side
    3,089.43x = 7,213,018.39
  5. Step 5: Solve for x
    x = 7,213,018.39/3,089.43
  6. Step 6: Final answer
    x = 2,334.74

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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.