Home / 2,750.68-3,795.90-1,571.74

Finding the Fourth Proportional to 2,750.68, 3,795.90 and 1,571.74

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Solution

The fourth proportional to 2,750.68, 3,795.90 and 1,571.74 is: 2,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.68 : 3,795.90 = 1,571.74 : x
  2. Step 2: Convert to fraction form
    2,750.68/3,795.90 = 1,571.74/x
  3. Step 3: Cross multiply
    2,750.68x = 3,795.90 × 1,571.74
  4. Step 4: Simplify right side
    2,750.68x = 5,966,167.87
  5. Step 5: Solve for x
    x = 5,966,167.87/2,750.68
  6. Step 6: Final answer
    x = 2,168.98

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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.