Home / 5,095.92-7,032.30-2,857.80

Finding the Fourth Proportional to 5,095.92, 7,032.30 and 2,857.80

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Solution

The fourth proportional to 5,095.92, 7,032.30 and 2,857.80 is: 3,943.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.92 : 7,032.30 = 2,857.80 : x
  2. Step 2: Convert to fraction form
    5,095.92/7,032.30 = 2,857.80/x
  3. Step 3: Cross multiply
    5,095.92x = 7,032.30 × 2,857.80
  4. Step 4: Simplify right side
    5,095.92x = 20,096,906.94
  5. Step 5: Solve for x
    x = 20,096,906.94/5,095.92
  6. Step 6: Final answer
    x = 3,943.72

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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.