Home / 3,125.08-4,687.26-1,274.92

Finding the Fourth Proportional to 3,125.08, 4,687.26 and 1,274.92

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Solution

The fourth proportional to 3,125.08, 4,687.26 and 1,274.92 is: 1,912.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.08 : 4,687.26 = 1,274.92 : x
  2. Step 2: Convert to fraction form
    3,125.08/4,687.26 = 1,274.92/x
  3. Step 3: Cross multiply
    3,125.08x = 4,687.26 × 1,274.92
  4. Step 4: Simplify right side
    3,125.08x = 5,975,881.52
  5. Step 5: Solve for x
    x = 5,975,881.52/3,125.08
  6. Step 6: Final answer
    x = 1,912.23

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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.