Home / 5,132.55-7,082.88-2,774.69

Finding the Fourth Proportional to 5,132.55, 7,082.88 and 2,774.69

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Solution

The fourth proportional to 5,132.55, 7,082.88 and 2,774.69 is: 3,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.55 : 7,082.88 = 2,774.69 : x
  2. Step 2: Convert to fraction form
    5,132.55/7,082.88 = 2,774.69/x
  3. Step 3: Cross multiply
    5,132.55x = 7,082.88 × 2,774.69
  4. Step 4: Simplify right side
    5,132.55x = 19,652,760.89
  5. Step 5: Solve for x
    x = 19,652,760.89/5,132.55
  6. Step 6: Final answer
    x = 3,829.04

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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.