Home / 4,007.68-5,555.89-3,796.90

Finding the Fourth Proportional to 4,007.68, 5,555.89 and 3,796.90

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Solution

The fourth proportional to 4,007.68, 5,555.89 and 3,796.90 is: 5,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.68 : 5,555.89 = 3,796.90 : x
  2. Step 2: Convert to fraction form
    4,007.68/5,555.89 = 3,796.90/x
  3. Step 3: Cross multiply
    4,007.68x = 5,555.89 × 3,796.90
  4. Step 4: Simplify right side
    4,007.68x = 21,095,158.74
  5. Step 5: Solve for x
    x = 21,095,158.74/4,007.68
  6. Step 6: Final answer
    x = 5,263.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.