Home / 4,081.72-6,122.63-1,160.02

Finding the Fourth Proportional to 4,081.72, 6,122.63 and 1,160.02

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Solution

The fourth proportional to 4,081.72, 6,122.63 and 1,160.02 is: 1,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.72 : 6,122.63 = 1,160.02 : x
  2. Step 2: Convert to fraction form
    4,081.72/6,122.63 = 1,160.02/x
  3. Step 3: Cross multiply
    4,081.72x = 6,122.63 × 1,160.02
  4. Step 4: Simplify right side
    4,081.72x = 7,102,373.25
  5. Step 5: Solve for x
    x = 7,102,373.25/4,081.72
  6. Step 6: Final answer
    x = 1,740.04

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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.