Home / 4,721.24-7,082.80-2,644.19

Finding the Fourth Proportional to 4,721.24, 7,082.80 and 2,644.19

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Solution

The fourth proportional to 4,721.24, 7,082.80 and 2,644.19 is: 3,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.24 : 7,082.80 = 2,644.19 : x
  2. Step 2: Convert to fraction form
    4,721.24/7,082.80 = 2,644.19/x
  3. Step 3: Cross multiply
    4,721.24x = 7,082.80 × 2,644.19
  4. Step 4: Simplify right side
    4,721.24x = 18,728,280.03
  5. Step 5: Solve for x
    x = 18,728,280.03/4,721.24
  6. Step 6: Final answer
    x = 3,966.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.