Home / 4,155.84-6,232.35-1,382.01

Finding the Fourth Proportional to 4,155.84, 6,232.35 and 1,382.01

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Solution

The fourth proportional to 4,155.84, 6,232.35 and 1,382.01 is: 2,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.84 : 6,232.35 = 1,382.01 : x
  2. Step 2: Convert to fraction form
    4,155.84/6,232.35 = 1,382.01/x
  3. Step 3: Cross multiply
    4,155.84x = 6,232.35 × 1,382.01
  4. Step 4: Simplify right side
    4,155.84x = 8,613,170.02
  5. Step 5: Solve for x
    x = 8,613,170.02/4,155.84
  6. Step 6: Final answer
    x = 2,072.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.