Home / 3,047.21-4,571.27-966.51

Finding the Fourth Proportional to 3,047.21, 4,571.27 and 966.51

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Solution

The fourth proportional to 3,047.21, 4,571.27 and 966.51 is: 1,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.21 : 4,571.27 = 966.51 : x
  2. Step 2: Convert to fraction form
    3,047.21/4,571.27 = 966.51/x
  3. Step 3: Cross multiply
    3,047.21x = 4,571.27 × 966.51
  4. Step 4: Simplify right side
    3,047.21x = 4,418,178.17
  5. Step 5: Solve for x
    x = 4,418,178.17/3,047.21
  6. Step 6: Final answer
    x = 1,449.91

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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.