Home / 5,252.08-7,247.64-2,894.20

Finding the Fourth Proportional to 5,252.08, 7,247.64 and 2,894.20

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Solution

The fourth proportional to 5,252.08, 7,247.64 and 2,894.20 is: 3,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.08 : 7,247.64 = 2,894.20 : x
  2. Step 2: Convert to fraction form
    5,252.08/7,247.64 = 2,894.20/x
  3. Step 3: Cross multiply
    5,252.08x = 7,247.64 × 2,894.20
  4. Step 4: Simplify right side
    5,252.08x = 20,976,119.69
  5. Step 5: Solve for x
    x = 20,976,119.69/5,252.08
  6. Step 6: Final answer
    x = 3,993.87

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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.