Home / 3,355.92-4,631.70-3,208.26

Finding the Fourth Proportional to 3,355.92, 4,631.70 and 3,208.26

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Solution

The fourth proportional to 3,355.92, 4,631.70 and 3,208.26 is: 4,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.92 : 4,631.70 = 3,208.26 : x
  2. Step 2: Convert to fraction form
    3,355.92/4,631.70 = 3,208.26/x
  3. Step 3: Cross multiply
    3,355.92x = 4,631.70 × 3,208.26
  4. Step 4: Simplify right side
    3,355.92x = 14,859,697.84
  5. Step 5: Solve for x
    x = 14,859,697.84/3,355.92
  6. Step 6: Final answer
    x = 4,427.91

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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.