Home / 5,132.46-7,082.68-2,894.28

Finding the Fourth Proportional to 5,132.46, 7,082.68 and 2,894.28

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Solution

The fourth proportional to 5,132.46, 7,082.68 and 2,894.28 is: 3,994.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.46 : 7,082.68 = 2,894.28 : x
  2. Step 2: Convert to fraction form
    5,132.46/7,082.68 = 2,894.28/x
  3. Step 3: Cross multiply
    5,132.46x = 7,082.68 × 2,894.28
  4. Step 4: Simplify right side
    5,132.46x = 20,499,251.83
  5. Step 5: Solve for x
    x = 20,499,251.83/5,132.46
  6. Step 6: Final answer
    x = 3,994.04

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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.