Home / 5,071.07-6,997.60-2,974.79

Finding the Fourth Proportional to 5,071.07, 6,997.60 and 2,974.79

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Solution

The fourth proportional to 5,071.07, 6,997.60 and 2,974.79 is: 4,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.07 : 6,997.60 = 2,974.79 : x
  2. Step 2: Convert to fraction form
    5,071.07/6,997.60 = 2,974.79/x
  3. Step 3: Cross multiply
    5,071.07x = 6,997.60 × 2,974.79
  4. Step 4: Simplify right side
    5,071.07x = 20,816,411.72
  5. Step 5: Solve for x
    x = 20,816,411.72/5,071.07
  6. Step 6: Final answer
    x = 4,104.93

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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.