Home / 3,358.92-4,636.32-2,180.16

Finding the Fourth Proportional to 3,358.92, 4,636.32 and 2,180.16

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Solution

The fourth proportional to 3,358.92, 4,636.32 and 2,180.16 is: 3,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.92 : 4,636.32 = 2,180.16 : x
  2. Step 2: Convert to fraction form
    3,358.92/4,636.32 = 2,180.16/x
  3. Step 3: Cross multiply
    3,358.92x = 4,636.32 × 2,180.16
  4. Step 4: Simplify right side
    3,358.92x = 10,107,919.41
  5. Step 5: Solve for x
    x = 10,107,919.41/3,358.92
  6. Step 6: Final answer
    x = 3,009.28

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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.