Home / 7,160.03-10,730.77-3,997.38

Finding the Fourth Proportional to 7,160.03, 10,730.77 and 3,997.38

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Solution

The fourth proportional to 7,160.03, 10,730.77 and 3,997.38 is: 5,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.03 : 10,730.77 = 3,997.38 : x
  2. Step 2: Convert to fraction form
    7,160.03/10,730.77 = 3,997.38/x
  3. Step 3: Cross multiply
    7,160.03x = 10,730.77 × 3,997.38
  4. Step 4: Simplify right side
    7,160.03x = 42,894,995.63
  5. Step 5: Solve for x
    x = 42,894,995.63/7,160.03
  6. Step 6: Final answer
    x = 5,990.90

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1.5x scale

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.