Home / 5,009.23-6,912.78-2,771.17

Finding the Fourth Proportional to 5,009.23, 6,912.78 and 2,771.17

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Solution

The fourth proportional to 5,009.23, 6,912.78 and 2,771.17 is: 3,824.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.23 : 6,912.78 = 2,771.17 : x
  2. Step 2: Convert to fraction form
    5,009.23/6,912.78 = 2,771.17/x
  3. Step 3: Cross multiply
    5,009.23x = 6,912.78 × 2,771.17
  4. Step 4: Simplify right side
    5,009.23x = 19,156,488.55
  5. Step 5: Solve for x
    x = 19,156,488.55/5,009.23
  6. Step 6: Final answer
    x = 3,824.24

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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.