Home / 4,115.94-5,680.01-3,802.01

Finding the Fourth Proportional to 4,115.94, 5,680.01 and 3,802.01

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Solution

The fourth proportional to 4,115.94, 5,680.01 and 3,802.01 is: 5,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,115.94 : 5,680.01 = 3,802.01 : x
  2. Step 2: Convert to fraction form
    4,115.94/5,680.01 = 3,802.01/x
  3. Step 3: Cross multiply
    4,115.94x = 5,680.01 × 3,802.01
  4. Step 4: Simplify right side
    4,115.94x = 21,595,435.93
  5. Step 5: Solve for x
    x = 21,595,435.93/4,115.94
  6. Step 6: Final answer
    x = 5,246.78

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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.