Home / 5,601.16-7,729.26-3,082.78

Finding the Fourth Proportional to 5,601.16, 7,729.26 and 3,082.78

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Solution

The fourth proportional to 5,601.16, 7,729.26 and 3,082.78 is: 4,254.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.16 : 7,729.26 = 3,082.78 : x
  2. Step 2: Convert to fraction form
    5,601.16/7,729.26 = 3,082.78/x
  3. Step 3: Cross multiply
    5,601.16x = 7,729.26 × 3,082.78
  4. Step 4: Simplify right side
    5,601.16x = 23,827,608.14
  5. Step 5: Solve for x
    x = 23,827,608.14/5,601.16
  6. Step 6: Final answer
    x = 4,254.05

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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.