Home / 4,122.54-5,686.81-2,627.87

Finding the Fourth Proportional to 4,122.54, 5,686.81 and 2,627.87

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Solution

The fourth proportional to 4,122.54, 5,686.81 and 2,627.87 is: 3,624.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.54 : 5,686.81 = 2,627.87 : x
  2. Step 2: Convert to fraction form
    4,122.54/5,686.81 = 2,627.87/x
  3. Step 3: Cross multiply
    4,122.54x = 5,686.81 × 2,627.87
  4. Step 4: Simplify right side
    4,122.54x = 14,944,162.39
  5. Step 5: Solve for x
    x = 14,944,162.39/4,122.54
  6. Step 6: Final answer
    x = 3,624.99

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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.