Home / 5,005.08-6,906.66-2,880.48

Finding the Fourth Proportional to 5,005.08, 6,906.66 and 2,880.48

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Solution

The fourth proportional to 5,005.08, 6,906.66 and 2,880.48 is: 3,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.08 : 6,906.66 = 2,880.48 : x
  2. Step 2: Convert to fraction form
    5,005.08/6,906.66 = 2,880.48/x
  3. Step 3: Cross multiply
    5,005.08x = 6,906.66 × 2,880.48
  4. Step 4: Simplify right side
    5,005.08x = 19,894,496.00
  5. Step 5: Solve for x
    x = 19,894,496.00/5,005.08
  6. Step 6: Final answer
    x = 3,974.86

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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.