Home / 5,004.56-6,906.12-2,908.40

Finding the Fourth Proportional to 5,004.56, 6,906.12 and 2,908.40

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Solution

The fourth proportional to 5,004.56, 6,906.12 and 2,908.40 is: 4,013.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.56 : 6,906.12 = 2,908.40 : x
  2. Step 2: Convert to fraction form
    5,004.56/6,906.12 = 2,908.40/x
  3. Step 3: Cross multiply
    5,004.56x = 6,906.12 × 2,908.40
  4. Step 4: Simplify right side
    5,004.56x = 20,085,759.41
  5. Step 5: Solve for x
    x = 20,085,759.41/5,004.56
  6. Step 6: Final answer
    x = 4,013.49

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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.