Home / 3,551.46-4,900.65-2,188.52

Finding the Fourth Proportional to 3,551.46, 4,900.65 and 2,188.52

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Solution

The fourth proportional to 3,551.46, 4,900.65 and 2,188.52 is: 3,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.46 : 4,900.65 = 2,188.52 : x
  2. Step 2: Convert to fraction form
    3,551.46/4,900.65 = 2,188.52/x
  3. Step 3: Cross multiply
    3,551.46x = 4,900.65 × 2,188.52
  4. Step 4: Simplify right side
    3,551.46x = 10,725,170.54
  5. Step 5: Solve for x
    x = 10,725,170.54/3,551.46
  6. Step 6: Final answer
    x = 3,019.93

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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.