Home / 5,132.53-7,082.94-2,894.30

Finding the Fourth Proportional to 5,132.53, 7,082.94 and 2,894.30

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Solution

The fourth proportional to 5,132.53, 7,082.94 and 2,894.30 is: 3,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.53 : 7,082.94 = 2,894.30 : x
  2. Step 2: Convert to fraction form
    5,132.53/7,082.94 = 2,894.30/x
  3. Step 3: Cross multiply
    5,132.53x = 7,082.94 × 2,894.30
  4. Step 4: Simplify right side
    5,132.53x = 20,500,155.24
  5. Step 5: Solve for x
    x = 20,500,155.24/5,132.53
  6. Step 6: Final answer
    x = 3,994.16

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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.