Home / 4,112.76-6,169.14-1,772.58

Finding the Fourth Proportional to 4,112.76, 6,169.14 and 1,772.58

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Solution

The fourth proportional to 4,112.76, 6,169.14 and 1,772.58 is: 2,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.76 : 6,169.14 = 1,772.58 : x
  2. Step 2: Convert to fraction form
    4,112.76/6,169.14 = 1,772.58/x
  3. Step 3: Cross multiply
    4,112.76x = 6,169.14 × 1,772.58
  4. Step 4: Simplify right side
    4,112.76x = 10,935,294.18
  5. Step 5: Solve for x
    x = 10,935,294.18/4,112.76
  6. Step 6: Final answer
    x = 2,658.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.