Home / 5,252.16-7,247.76-2,894.28

Finding the Fourth Proportional to 5,252.16, 7,247.76 and 2,894.28

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Solution

The fourth proportional to 5,252.16, 7,247.76 and 2,894.28 is: 3,993.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.16 : 7,247.76 = 2,894.28 : x
  2. Step 2: Convert to fraction form
    5,252.16/7,247.76 = 2,894.28/x
  3. Step 3: Cross multiply
    5,252.16x = 7,247.76 × 2,894.28
  4. Step 4: Simplify right side
    5,252.16x = 20,977,046.81
  5. Step 5: Solve for x
    x = 20,977,046.81/5,252.16
  6. Step 6: Final answer
    x = 3,993.98

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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.