Home / 3,715.94-5,574.71-1,250.78

Finding the Fourth Proportional to 3,715.94, 5,574.71 and 1,250.78

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Solution

The fourth proportional to 3,715.94, 5,574.71 and 1,250.78 is: 1,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.94 : 5,574.71 = 1,250.78 : x
  2. Step 2: Convert to fraction form
    3,715.94/5,574.71 = 1,250.78/x
  3. Step 3: Cross multiply
    3,715.94x = 5,574.71 × 1,250.78
  4. Step 4: Simplify right side
    3,715.94x = 6,972,735.77
  5. Step 5: Solve for x
    x = 6,972,735.77/3,715.94
  6. Step 6: Final answer
    x = 1,876.44

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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.