Home / 2,472.27-3,411.66-1,353.21

Finding the Fourth Proportional to 2,472.27, 3,411.66 and 1,353.21

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Solution

The fourth proportional to 2,472.27, 3,411.66 and 1,353.21 is: 1,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.27 : 3,411.66 = 1,353.21 : x
  2. Step 2: Convert to fraction form
    2,472.27/3,411.66 = 1,353.21/x
  3. Step 3: Cross multiply
    2,472.27x = 3,411.66 × 1,353.21
  4. Step 4: Simplify right side
    2,472.27x = 4,616,692.43
  5. Step 5: Solve for x
    x = 4,616,692.43/2,472.27
  6. Step 6: Final answer
    x = 1,867.39

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1.5x scale

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.