Home / 3,451.59-4,758.24-2,124.39

Finding the Fourth Proportional to 3,451.59, 4,758.24 and 2,124.39

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Solution

The fourth proportional to 3,451.59, 4,758.24 and 2,124.39 is: 2,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.59 : 4,758.24 = 2,124.39 : x
  2. Step 2: Convert to fraction form
    3,451.59/4,758.24 = 2,124.39/x
  3. Step 3: Cross multiply
    3,451.59x = 4,758.24 × 2,124.39
  4. Step 4: Simplify right side
    3,451.59x = 10,108,357.47
  5. Step 5: Solve for x
    x = 10,108,357.47/3,451.59
  6. Step 6: Final answer
    x = 2,928.61

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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.