Home / 5,104.92-7,045.18-2,867.28

Finding the Fourth Proportional to 5,104.92, 7,045.18 and 2,867.28

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Solution

The fourth proportional to 5,104.92, 7,045.18 and 2,867.28 is: 3,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.92 : 7,045.18 = 2,867.28 : x
  2. Step 2: Convert to fraction form
    5,104.92/7,045.18 = 2,867.28/x
  3. Step 3: Cross multiply
    5,104.92x = 7,045.18 × 2,867.28
  4. Step 4: Simplify right side
    5,104.92x = 20,200,503.71
  5. Step 5: Solve for x
    x = 20,200,503.71/5,104.92
  6. Step 6: Final answer
    x = 3,957.07

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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.