Home / 4,920.39-6,792.89-3,410.15

Finding the Fourth Proportional to 4,920.39, 6,792.89 and 3,410.15

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Solution

The fourth proportional to 4,920.39, 6,792.89 and 3,410.15 is: 4,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.39 : 6,792.89 = 3,410.15 : x
  2. Step 2: Convert to fraction form
    4,920.39/6,792.89 = 3,410.15/x
  3. Step 3: Cross multiply
    4,920.39x = 6,792.89 × 3,410.15
  4. Step 4: Simplify right side
    4,920.39x = 23,164,722.82
  5. Step 5: Solve for x
    x = 23,164,722.82/4,920.39
  6. Step 6: Final answer
    x = 4,707.90

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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.