Home / 2,936.76-4,053.09-1,817.74

Finding the Fourth Proportional to 2,936.76, 4,053.09 and 1,817.74

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Solution

The fourth proportional to 2,936.76, 4,053.09 and 1,817.74 is: 2,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,936.76 : 4,053.09 = 1,817.74 : x
  2. Step 2: Convert to fraction form
    2,936.76/4,053.09 = 1,817.74/x
  3. Step 3: Cross multiply
    2,936.76x = 4,053.09 × 1,817.74
  4. Step 4: Simplify right side
    2,936.76x = 7,367,465.47
  5. Step 5: Solve for x
    x = 7,367,465.47/2,936.76
  6. Step 6: Final answer
    x = 2,508.71

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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.