Home / 3,212.70-4,434.03-2,328.18

Finding the Fourth Proportional to 3,212.70, 4,434.03 and 2,328.18

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Solution

The fourth proportional to 3,212.70, 4,434.03 and 2,328.18 is: 3,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.70 : 4,434.03 = 2,328.18 : x
  2. Step 2: Convert to fraction form
    3,212.70/4,434.03 = 2,328.18/x
  3. Step 3: Cross multiply
    3,212.70x = 4,434.03 × 2,328.18
  4. Step 4: Simplify right side
    3,212.70x = 10,323,219.97
  5. Step 5: Solve for x
    x = 10,323,219.97/3,212.70
  6. Step 6: Final answer
    x = 3,213.25

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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.