Home / 3,910.11-5,866.27-1,571.76

Finding the Fourth Proportional to 3,910.11, 5,866.27 and 1,571.76

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Solution

The fourth proportional to 3,910.11, 5,866.27 and 1,571.76 is: 2,358.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.11 : 5,866.27 = 1,571.76 : x
  2. Step 2: Convert to fraction form
    3,910.11/5,866.27 = 1,571.76/x
  3. Step 3: Cross multiply
    3,910.11x = 5,866.27 × 1,571.76
  4. Step 4: Simplify right side
    3,910.11x = 9,220,364.61
  5. Step 5: Solve for x
    x = 9,220,364.61/3,910.11
  6. Step 6: Final answer
    x = 2,358.08

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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.