Home / 5,132.43-7,082.84-2,894.42

Finding the Fourth Proportional to 5,132.43, 7,082.84 and 2,894.42

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Solution

The fourth proportional to 5,132.43, 7,082.84 and 2,894.42 is: 3,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.43 : 7,082.84 = 2,894.42 : x
  2. Step 2: Convert to fraction form
    5,132.43/7,082.84 = 2,894.42/x
  3. Step 3: Cross multiply
    5,132.43x = 7,082.84 × 2,894.42
  4. Step 4: Simplify right side
    5,132.43x = 20,500,663.87
  5. Step 5: Solve for x
    x = 20,500,663.87/5,132.43
  6. Step 6: Final answer
    x = 3,994.34

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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.