Home / 5,132.54-7,082.75-2,894.39

Finding the Fourth Proportional to 5,132.54, 7,082.75 and 2,894.39

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Solution

The fourth proportional to 5,132.54, 7,082.75 and 2,894.39 is: 3,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.54 : 7,082.75 = 2,894.39 : x
  2. Step 2: Convert to fraction form
    5,132.54/7,082.75 = 2,894.39/x
  3. Step 3: Cross multiply
    5,132.54x = 7,082.75 × 2,894.39
  4. Step 4: Simplify right side
    5,132.54x = 20,500,190.89
  5. Step 5: Solve for x
    x = 20,500,190.89/5,132.54
  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.