Home / 5,132.67-7,082.40-2,894.64

Finding the Fourth Proportional to 5,132.67, 7,082.40 and 2,894.64

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Solution

The fourth proportional to 5,132.67, 7,082.40 and 2,894.64 is: 3,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.67 : 7,082.40 = 2,894.64 : x
  2. Step 2: Convert to fraction form
    5,132.67/7,082.40 = 2,894.64/x
  3. Step 3: Cross multiply
    5,132.67x = 7,082.40 × 2,894.64
  4. Step 4: Simplify right side
    5,132.67x = 20,500,998.34
  5. Step 5: Solve for x
    x = 20,500,998.34/5,132.67
  6. Step 6: Final answer
    x = 3,994.22

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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.