Home / 5,132.16-7,082.24-2,894.01

Finding the Fourth Proportional to 5,132.16, 7,082.24 and 2,894.01

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Solution

The fourth proportional to 5,132.16, 7,082.24 and 2,894.01 is: 3,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.16 : 7,082.24 = 2,894.01 : x
  2. Step 2: Convert to fraction form
    5,132.16/7,082.24 = 2,894.01/x
  3. Step 3: Cross multiply
    5,132.16x = 7,082.24 × 2,894.01
  4. Step 4: Simplify right side
    5,132.16x = 20,496,058.91
  5. Step 5: Solve for x
    x = 20,496,058.91/5,132.16
  6. Step 6: Final answer
    x = 3,993.65

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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.